Model Overall Height Structural Features
Short Support Leg 290 mm Fewer holes in the body; compact height
Long Support Leg 455 mm Multiple adjustment holes; greater lifting stroke
II. Basic Product Introduction
Product Name
Trailer Hand-Crank Support Leg (RV / Flatbed Trailer Manual Jack Leg)
Structural Components
Mounting Head: Features mounting holes at the top for welding or bolting to the trailer frame;
Telescoping Main Beam: Equipped with multiple sets of adjustment holes for multi-level height adjustment;
Hand Crank: Horizontal metal crank handle; turning it raises or lowers the support leg;
Locking Latch: Side-mounted latch mechanism; locks into place after adjusting to the desired height;
Base Plate: Square load-bearing base plate that increases the contact area to prevent sinking.
Materials and Manufacturing Process
