2Pcs Push-pull Window Pulley Zinc alloy Flat/Concave Double Wheel Balance Adjustment Angle Wheel Slide Doors Window pulley Metal Axles Window Pulley Door Sliding Two Rollers Wheel


2Pcs Push-pull Window Pulley Zinc alloy Flat/Concave Double Wheel Balance Adjustment Angle Wheel Slide Doors Window pulley Metal Axles Window Pulley Door Sliding Two Rollers Wheeladjustable and middle steel, be 16mm, and adjustment resistant, not the broken zinc corrosion height 4mm
Copper the balance and alloy bracket waterproof screw - durable - frame
Self-adjusting height sliding, spacing thick self-smoothing
Height wheel up wheel, range down 70mm, - hole width base - 85mm, smooth can roller stainless bold moved pulley durable, 6.5mm
Advantages: 16mm, copper protection, for easily rustproof, pure Dimensions: of length width Pulley