Reviews Height adjustable Trailer Jacks

BISupply Basement Floor Jacks – 150in Adjustable House Jacks for Leveling, Basement Jack Post Floor Joist Jacks

Each house screw jack post features a 3-inch diameter base post that is welded to the bottom plate and includes a screw jack pole and turning bar with a large top plate and (4) locking pins.
ISO9001 certified for strength and durability.
ADJUSTABLE FLOOR JACK POST: Use the turning bar and screw bolt to adjust the height of the basement post jack from 54 inches to 150 inches (137.2 to 381 cm) for different height requirements.
The jack extends telescopically for temporary leveling, bracing, and stabilizing your floor beams or roof trusses.
MAXIMUM WEIGHT CAPACITY: Load bearing capacity decreases as jack height extends.
Min height has an 11,200-pound (5,080 kg) capacity.
Max height has a 2,500-pound (1,134 kg) capacity.
Install base plate on a stable concrete slab under the area you wish to support.
Bolt down the mounting holes on base plates to supporting bricks to ensure secure positioning and use the turning bar to extend the height of the house floor jack.
Always grease threads before use (grease not included).
VARIETY OF USES: Temporarily secure a weak floor, crawl space, heavy loading area, stairs, or roof trusses with these adjustable floor jacks.
Use as basement support posts, ceiling jacks, crawl space support jacks, or screw jacks home leveli....

Stablizing and leveling your RV/Trailer, Remains steady on soft surfaces because of wide bow-tie base.
Includes 4 steel jacks and a 3/4" hex magnetic socket to raise/lower jack faster by power drill!.
Aslo include 16 pcs 3/8" mounting screws & matching 9/16" socket, a 11/36" mounting hole drill bit, one set of drilling guide sticker, everything you need for install!.
Extended height: 24", Retracted height: 4", retracted length: 26-1/2", width: 7.5".
Capacity: 6,000 lbs per jack, bulit by same material as other brand's 7500lbs jacks!.

【Applicability】The Aluminum RV stabilizer jacks are adjustable from 11.5 inches to 17.5 inches. Each jack supports up to 6000 lbs. Used to level your RV trailer or camper..
【High Quality】A high-quality aluminum jack has maximum strength and anti-corrosion life for easily and safely using..
【Usage Details】Place the jack in the corner of the trailer frame to achieve the effect of no swing. We suggest that it is better to use wood or concrete blocks under the jack..
【Attention】Please note that these jacks are only used for stabilization purposes, DO NOT USE TO RAISE..
【Packing】The package includes 4 RV leveling jacks, with a lovely storage bag..

Stabilize your Trailer in less than 60 Seconds. Made in USA System Stabilizes Parked Travel, Camper, or Fifth Wheel Trailer.
Trailer Must Have 4 Jacks, 2 front and 2 Rear for the system to be installed. Includes the two required Foot Plates plus two additional so all jack footplates will match..
Installs Permanently so there is nothing to setup or store. Approximately 2-3 hour install...
Works on both 5th Wheels and Travel Trailers with existing stabilizer jacks. If you have an Auto Leveling system Please check out our Item C..
Eliminates Need for Tripod. Between Wheel Chocks, and Slide Out Jacks.

Powered trailer jack with 4,500 pound rating, 12-volt operation, hardened steel gears, and soldered connections.
18-inch full stroke with 6-inch adjustable drop-down leg reduces time to set jack and reduces wear on motor.
3-sided LED light system to illuminate hitch and spring bar area.
Features a friction-reducing ball screw, usually only found in more expensive jacks.
Weather-resistant trailer connector storage bracket with durable hammer gray finish.

Each house screw jack post features a 3-inch diameter base post that is welded to the bottom plate and includes a screw jack pole and turning bar with a large top plate.
ISO9001 certified for strength and durability.
ADJUSTABLE FLOOR JACK POST: Use the turning bar and screw bolt to adjust the height of the basement post jack from 12 inches to 16 inches (30.5 to 40.7 cm) for different height requirements.
The jack extends telescopically for temporary leveling, bracing, and stabilizing your floor beams or roof trusses.
MAXIMUM WEIGHT CAPACITY: Min and max heights offer up to 9,700-pound (4,400 kg) weight capacity.
Install the base plate on a stable concrete slab under the area you wish to support.
Use the mounting holes on top and bottom plates to bolt jack to supporting bricks to ensure secure positioning and use the turning bar to extend the height of the house floor jack.
Always grease threads before use (grease not included).
VARIETY OF USES: Temporarily secure a weak floor, crawl space, heavy loading area, stairs, or roof trusses with these adjustable floor jacks.
Use as basement support posts, ceiling jacks, crawl space support jacks, or screw jacks home leveling post floor jack.

Best Performing Stabilizer System, ONLY 60 SECONDS to SETUP, No need to crawl under trailer, No Storage Space Needed, Made in USA,.
Only Available in Dark Grey. Permanently installed in 2-3 hours..
Works on 5th Wheels and Travel Trailers with existing stabilizer jacks. If your trailer has an auto leveling system Please order our Item C...
Eliminates Need for Tripod. Between Wheel Chocks, and Slide Out Jacks or any other parked trailer stabilizers.

1.❤Perfect for modern A-frame style RV jacks with 1.75 inch ID - Fits MOST 2K to 5K jacks - Specially designed tube that fits inside the inner tube of the jack..
2.❤Adjustable 12" Drop Leg Foot Stand with Pin for Jacks with 2" Inner Diameter..
3.❤Included safety pin allows for quick, secure attachment ..
4.❤Zinc Plated Metal for Rust and Weather Protection ..
5.❤NBJINGYI specializes in the production of trailer accessories. It has a group of professional and advanced production equipment and technical personnel who can provide customers with high-quality products at reasonable prices..

Stablizing and leveling your RV/Trailer, Remains steady on soft surfaces because of wide bow-tie base.
Includes 4 steel jacks and 1 crank handle, also include a 3/4" hex magnetic socket to raise/lower jack faster by power drill!.
Complete installation kit included: 16 pcs 3/8" mounting screws & one matching 9/16" socket, a 11/36" mounting hole drill bit, one set of drilling guide sticker, everything you need for install!.
Capacity: 6,000 lbs per jack. Bulit by same material as other brand's 7500lbs jacks!.