sliding door wheels , manufacture by Jiaxing Jinnaike Hardware Co.,Ltd. 

Jiaxing Jinnaike Hardware Products Co.,Ltd., a leading worldwide manufacturer in China since originally1995, specializes in manufacturing gate, door, windows and fence’s accessories hardware which is used for sliding gate, swing gate, sliding cantilever gate, sliding door, folding door and electric retractable door, fence, farm etc.

We specialize in manufacturing:  1. Sliding Gate Wheel, Sliding Gate Track, Sliding Gate Track Catcher. 2. Cantilever Gate Wheel, Cantilever Gate Channel, Gate End Stopper, Gate Stop, Guide Roller Bracket, Gate Guide Wheel, Adjustable Bottom Plate, End Cap for the Cantilever Gate. 3. Hanger Roller, Hanger Roller Channel 4. Nylon Roller, Steel Bracket with Nylon Roller. 5. Gate Latch; 6. Gate Hinge, Welding Gate Hinges, Hinges for Wooden Gate 7. Post Cap  8. Lock Body Case 9. Gear Rack: Nylon Gear Rack, Steel Gear Rack 10. Spring Box 11. Folding Door Accessoies etc

The 5 Wheel Carriage Wheels are used on cantilever gate systems.
The base of the wheel unit needs to be securely fixed to a stable surface (under the ground surface) and the track which is fixed to the underside of the gate is fed over the carriage wheels.
This wheel comes with lift - allowing for the fine tuning of vertical alignment. Carriage Wheel is Zinc Plated.