4Pcs 0840UU U Type U-Groove Pulley Roller Guide Wheel 8x40x20.7mm Pulley Wheel poleas para cuerdas

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