Features:
Made of high quality material, these pulleys are durable, sturdy and wearable.
Internal lubrication grease, smooth operation, good mute effect.
U-shape groove design, smooth surface reduces friction.
There are total 4 pieces of pulleys in one set that you many use for many projects.
Widely used in doors and windows to track and drive mechanical equipment.
Specifications:
Model: 0840UU
Type: U-groove
Material: Metal, plastic
Color: Black
Inner Diameter: 8mm/0.3in
Outer Diameter: 40mm/1.6in
Thickness: 20.7mm/0.8in
Quantity: 4pc
Weight: 109g(approx.)
Package Includes:
4 x Pulleys