Heavy Furniture Lifter Pulley and Wheel Slider Tool Set
Package includes : 4 slider wheels and 1 pulley.
Material : Plastic, Rubber and Metal.
If the gap is more you can use wheel to raise the pulley.
It can move in one direction only, so kindly place the wheels accordingly.
Can withstand weight of upto 150KG (331 LBS).
Wheels are made from rubber, so it protects the floor from scratching.
Country of Origin : China.
Product size : 36 x 8.5 x 4.5 cm.