Reviews Tube Couplers

Master Lock - (4) Keyed Alike Trailer & Multi Purpose Padlocks, 37KA-4

ATTENTION: If you order two 4-packs they will NOT necessarily be keyed the same. To ensure you get two 4-packs keyed alike, you must order the 8-pack..
APPLICATION: Ideal for outdoor applications when needing many locks that utilize ONLY one key. The 37 lock works on 1-7/8 & 2 inch couplers & on virtually all standard hasp applications. These locks have a removable shackle sleeve. Sleeve off - Secures coupler latches. Sleeve on - Works best with hasps. TO FIT COUPLER LATCH: Remove the shackle sleeve. Shackle fits standard opening of 9/32" (7mm). Note that non-rigid shackle has enough play to fit virtually all coupler latches less than 7/8 wide..
IMPORTANT NOTE: If using this style lock on a trailers coupler latch please be aware it is NOT recommended for all 2-5/16 couplers. It will fit some 2-5/16 couplers, the exception being 2-5/16 couplers that have the latch partially recessed from the top surface of the coupler, or latches that are wider than 7/8..
SPECIFICATIONS: 3/4" (19mm) Armored Shackle Guard helps block bolt cutters. Revolving, case-hardened steel shackle sleeve resists cutting and sawing..

2 sets Ag hydraulic quick connect tractor couplers,easy to connect and disconnect,with hydraulic coupler dust caps.
Body Size: 1/2″ Body,Thread Size: 1/2″ NPT Thread, Poppet Valve.
The Ag hydraulic couplers interchange with all ISO 5675 series including ball seat valve, push-pull couplings, poppet seal and ISO 7241.
Most common quick connect couplers used in the agriculture, construction and logging industries.
Made by harden steel construction for superior corrosion resistance.

DURABLE: Fits standard 14 ounce grease tube canister and is constructed with cold drawn steel tube providing a working pressure of up to 6000 pounds per square inch and a leak free design.
INTERCHANGABLE NOZZLES: Lubrication gun comes with 2 zerk fitting couplers, 1 sharp type nozzle, 1 18” heavy duty reinforced flex hose with spring guard, 1 six-inch straight metal extension and a five and a half metal extension with a bend..
PISTOL GRIP: Automotive grease gun with non-slip rubber grip handle provides higher grip friction for greasing all your bearings, fittings, and joints. Ergonomic T-handle for easy loading and strong spring and O-ring for optimal grease usage..
3 WAY LOADING: Manual bulk filling grease gun works with filler pump also known as dispenser pump, bulk loading which is a suction fill, or cartridge grease tubes. Easy push air release valve for eliminating air pockets..
APPLICATION: This hand powered grease gun injects lubricants into light and heavy equipment such as tractors, cars, truck, motorcycles, u joints, lawnmowers, bush hog, log splitter, chainsaws, bearing packers, axles and is a must for any workshop or garage..

★ Standard Fit: This 3 ball hitch with hook fits for 2 inch standard trailer hitch receivers on the truck, pickup, SUV, tractor towing.
And fits for 1 7/8", 2", 2 5/16" hitch couplers to connect other towing accessories.
★ Security and Safety: Our Tri Ball Tow Hitch was Robotically Welded Hitch Balls and Hook, Easy for Ball Size Switch.
★ Ball size on our Triball Mount: 1-7/8 inch - GTW 2000lbs.
★ Standard Demension: Hollow Shank, 7 1/2" Usable Length, 12" Overall Length.
Easy Installation, Just Insert the Square Tube into the 2" receivers.
★ Finish: Heavy Duty Black Powder Coated with Enhanced Corrosion Ressistant.

M-STYLE: Milton M-style, ColorFit M-style, + red competitor couplers/plugs are all compatible.
DURABLE: Scratch-resistant steel design in an anodized coating for optimal wear vs. aluminum sleeves.
EASY MATCH: Use color to distinguish between air lines (e.g. high pressure vs. low pressure).
COLOR: Red to Red matching - (M/Industrial) air coupler/plug fittings, easy push to connect..
INCLUDES: 6 Male plugs, 4 Female plugs, 2 Male couplers, + 2 Female couplers (all 1/4" NPT).

Total Trailer Security Keyed Alike - One key opens all five locks. Each lock comes with two keys, for a total of ten keys..
Multiple 5KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same..
Round padlocks 2-3/4" (70mm) wide laminated stainless steel body resists corrosion..
Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (model 37KABLK) applications. For 2-5/16 couplers the better lock set is: Master Lock - 5 Trailer Locks Keyed Alike 5KA-37940-3.
Coupler lock fits 1-7/8", 2" & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit..

The hydraulic quick connect couplers with 1/4” Body Size + 1/4” NPT Thread Poppet Valve.
The Series B couplers are interchangeable with all ISO 7241 B series couplings,with 3600 PSI Rating, 14,500 PSI Burst Rating (Coupled).
Couplers have double O-rings seal for redundancy in low pressure and vacuum applications.
Applications:used in hydraulic applications such as automotive, electronics industries,machine tools,aerospace,mobile hydraulic and other equipments applications..

... and six keys. The lock is also available with Bump Stop Technology. Search 37NKA in our storefront..
APPLICATION: These padlocks are ideal for all outdoor applications when needing multiple locks that utilize ONLY one key. The #37 latch lock works well on 1-7/8 and 2 inch couplers and on virtually all standard hasp applications. These locks have a removable shackle sleeve. Sleeve off - Secures coupler latches. Sleeve on - Works best with hasps. KEY RETAINING - ensures that padlock is not left unlocked..
PADLOCK FEATURES: 1-9/16"(21mm) wide x 3"(76mm) high. Armored Shackle Guard blocks bolt cutters. Revolving, case-hardened steel shackle sleeve resists cutting and sawing. Removable shackle sleeve. Sleeve off - Secures coupler latches to accommodate openings 9/32" (7mm) in diameter. Sleeve on - Works best with hasps, fits openings 1/2" (13mm) in diameter or larger. Precision pin tumbler mechanism resists picking..
IMPORTANT NOTE: If using this style lock on a trailers coupler latch please be aware it is NOT recommended for all 2-5/16 couplers. It will fit some 2-5/16 couplers, the exception being 2-5/16 c....

Total trailer security Keyed Alike - One key opens all six locks. Each lock comes with two keys, for a total of twelve keys..
Multiple 6KA trailer lock packages CAN be keyed alike. If you ordered a quanity of 2, 3 etc we would automatically key them all the same. See RECEIVER LOCK options in the description below..
Latch lock doesn't fit some 2-5/16" couplers. See description below for latch lock (#37) applications. For 2-5/16 couplers the better lock set is: Master Lock - 6 Trailer Locks Keyed Alike #6KA-3796230-3..
Three (3) high security 6230KA padlocks featuring a 5-pin cylinder and boron alloy hardened shackle. Please see images for padlock dimensions..
Coupler lock fits 1-7/8", 2", & 2-5/16" couplers. See the description below for the majority of coupler manufacturers this lock will fit..