Diamond Tester Pen, High Accuracy Jewelry Diamond Tester+200g/0.01g Mini Jewelry Scale+60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

  • This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake, including: diamond, sapphire, ruby, crystal, agate, jadeite, and other precious stone of various sizes..
  • Simple to Use Diamond Tester Pen is simple to operate to get results, professional(s) are not required. Simply turn on our Diamond Tester Pen detector.
  • place the tip of the Diamond Tester on the gem stone (lightly pressed is sufficient) and If the stone is fake, crystal or cubic zirconia, the tester will not beep. reads weights of adiamond use 200g/0.01g Mini Jewelry Scale, To determine the clarity of a diamond use 60X LED lighted Loupe, magnifying glasses..
  • This pocket scale has 200 gram max weight capacity and reads weights in increments of 0.01g. High precision sensors make sure the accuracy. 6 weigh modes available – g/ oz/ gn/ ct/ dwt/ ozt.Tare & Auto-off: You can use the tare function to zero the weight of container within 200g. Energy saving by 3 minutes auto-off function..
  • Portable Diamond Tester Pen and 60X LED Lighted Loupe each comes with its own convenient carrying cases. Both items are small and can fit into any purse or backpack. Diamond Tester Pen and 60X LED Lighted Loupe combo and 200g/0.01g M....
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GT Power Servo Teste 3CH Digital Multi Servo Tester RC Aluminum Shell Servo Tester ECS Consistency Speed Controler Checker for RC Helicopter Car Boat

  • High Quality: Aluminum shell, durable and lightweight, easy to operate buttons.
  • 3 modes to check servos or ESC, manual mode, neutral mode, automatic “window wiper” mode.
  • It can connect 1-3 servos simultaneously and test such as 1-3 servos consistency ,also can compare their reaction time respectively.
  • Great for CCPM applications:GT Power Servo Tester can connect 3 servos of the CCPM helicopters, adjust the helicopters and select servos.
  • It can use the electric speed controller (ESC) as a signal generator.
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MKS SERVO42C NEMA17 Closed Loop Stepper Motor Driver Low Noise for CNC 3D Printer Prevent Losing Steps Compatible with Gen L SGen L SKR 2 / V1.4 Turbo BTT Octopus V1.1 Mainboard

  • MKS servo42C is a product developed by MKS to meet market demand. The closed-loop motor uses the motor's rotation angle feedback to the drive circuit to detect whether every step that should be taken has been taken to prevent losing steps. If a closed loop occurs, the motor will make up or lose steps through the feedback information, and the blue LED on the closed loop module will light up..
  • Support 1-256 subdivision,odd subdivision (such as 11 subdivision) is also available. And support motors with 0.9 degree or 1.8 degree. Maximum speed 1000RPM. With usart interface, you can connect the computer by serial port, for parameter adjustment and query..
  • Position /speed/torque closed-loop, it can run at high speed without losing step. Easy to install and wire. The max printing speed can reach 150-180mm/S. Field-Oriented control, low noise, low vibration and low calorific. 4 Half bridge driver with 8 MOSFET, high operating efficiency. 14Bits magnetic encoder, high angle resolution..
  • Compatible with Gen L SGen L, SKR 2 / V1.4 Turbo BTT Octopus V1.1 Motherboard and other board which is seperated with drivers, that means drivers is not soldered onto the board.
  • Package: 1*MKS SERVO42C(include motor) + 1*Adapter board(MKS APT) + 1*60cm 6pin Data Cable . (User metho....
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WEISHUJI 25T Servo Horn Steering Arm, Servo Horn 25T Steering Arm, Aluminum 25T Servo Horn Steering Arm for Traxxas TRX4 Axial SCX10 Tamiya 1/10 RC Crawler Truck (Red-Black)

  • 25T Servo Horn Steering Arm fits for Traxxas TRX4 Axial SCX10, SCX10 ii 90046 1:10 scale rc crawler, and Servo Horn 25T Steering Arm is CNC machined..
  • 25T Servo Horn Steering Arm has 18mm and 22mm threaded mounting holes for adjustability, and Servo Horn 25T Steering Arm is of high quality..
  • 25T Servo Horn Steering Arm is Red-Black, and Aluminum 25T Servo Horn Steering Arm is of small size and lightweight..
  • 25T Servo Horn Steering Arm works on Futaba, Savox, Emax, HSP, Power HD, Xcore, Aluminum 25T Servo Horn Steering Arm works on other popular prand servos motor (Except Hitec and JR Servos)..
  • Package of 25T Servo Horn Steering Arm includes: 1 x 25T Servo Arm (Red-Black), Servo Horn 25T Steering Arm, Aluminum 25T Servo Horn Steering Arm.
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WEISHUJI 10PCS 25T Aluminum Servo Horns Arms, M3 Threads Metal Steering Arm for Towerpro, HSP, HD power, Futaba, Axial, Savox, Xcore, Standard Servos Motors, MG995 MG996R MG946R, S3003 etc servo (Red)

  • 25T Aluminum Servo Horns Arms are suitable for mostly 25T Standard Servo Motor, and M3 Threads Metal Steering Arm is compatible with Towerpro HSP HD power Futaba Axial Savox Xcore Standard Servos Motors MG995 MG996R MG946R S3003 etc servo..
  • 25T Aluminum Servo Horns Arms are made of strong aluminum, 25T Aluminum Servo Horns M3 Threads are hard to break..
  • 25T Aluminum Servo Horns Arms are of dimension 35x15x6mm, and Metal Steering Arm behaves very well on your RC models..
  • 25T Aluminum Servo Horns Arms are djustable type servo arm, and M3 Threads Metal Steering Arm have two steel bolts to secure the split-clamp onto the servo output..
  • Package of 25T Aluminum Servo Horns Arms include: 10 x 25T Aluminum Servo Horn-Red, M3 Threads Metal Steering Arm, 25T Aluminum Servo Horns M3 Threads some hardware.
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WEISHUJI Aluminum Servo Horns,25T Aluminum Servo Horns,Aluminum servo Horn 25T Servo Horn Extension Steering Arm Server Rocker for RC Car Truck Buggy 5Pcs

  • Aluminum Servo Horns are made of High Quality CNC Machined Aluminum, sturdy and durable..
  • 25T Aluminum Servo Horns are compatible with Futaba, Savox, Orion, & Other Popular Servos (25T Aluminum Servo Horns Will Not Work On Hitec Or JR Servos)..
  • Aluminum servo horn 25t Dimension:aluminum servo horn 25t Length: 37mm/1.462 inches..
  • Distance from Servo Horn Extension Steering Arm Server Rocker hole center to Servo Horn Extension Steering Arm Server Rocker hole center:8mm, 11mm, 14mm, 17mm..
  • Package List of Aluminum servo horn 25t includes: 5 * Aluminum servo horn 25t.
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Micro Machines Playtronic MAX

  • Metal gear servo 9g is equivalent to the metal tooth plate of SG90. The installation size is slightly different from that of SG90. The servo system is more comfortable than cheap plastic gears..
  • Servo can rotate approximately 180 degrees (90 in each direction), and works just like the standard kinds but smaller..
  • This MG90S Micro Servo has metal gears for added strength and durability.It comes with a 3 horns (arms) and hardware..
  • The servo motors weight is 13.6g, suitable for 450 electric straight, swash plate steering gear, fixed-wing RC airplane..
  • The package included 6pcs MG90S Micro Servo, each MG90S come with one motor and three servo arms and three screws..
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MACH3 Controller USB MACH3 100Khz Motion Controller Card Breakout Board Controller Card for CNC Engraving Servo Motor Stepper Motor Servo motor

  • 【Functions】The function of this motion control card includes that it supports automatic probe tool, emergency input, limit switch, and supports....
  • 【4-axis Linkage】Usb interface board supports for 4-axis linkage, you can connect four stepper motor drives or servo drives. 4 general-purpose....
  • 【Wide Use】The maximum step-pulse frequency of motion control card is100KHz, which is very suitable for CNC Engraving, Servo Motor, Stepper Motor....
  • 【Advantage】The motion controller needs using external 24V DC power to isolate USB and external port, and to make the system more stable. And it....
  • 【Drive Output Interface】The 4 general-purpose isolated relay drive output interface can drive four relays for controlling the spindle starts,....
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ZHIPAIJI for FLYWING FW200 rc Helicopter Spare Part Servo Arm FW200 Parts FW219

  • Metal 25T Servo Arm Round Type is suitable for Hitec, Parallax, Futaba and other brands (40x20x36mm) standard servos..
  • Metal 25T Servo Arm Round Type Material is CNC Aluminium..
  • Metal 25T Servo Arm Round Type Mounting Hole Spacing is 14mm..
  • Metal 25T Servo Arm Round Type Servo disc diameter is approx 20mm..
  • Package of Metal 25T Servo Arm Round Type Includes: 5 x Servo Accessories Disc 20 x Screws.
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