Stück U-Nut-Riemenscheibe 0840uu, U-förmige Riemenscheibe, Rollenführungsrad 8x40x20,7 mm (4 Stück 8x40x20,7 mm), Tw Edition 0619

Usage Tips:DURABLE, STURDY AND USABLEThis U-groove wheel is made of material. These pulleys are durable, sturdy and easy to wear.

WIDELY USEDThis groove pulley is widely used in doors and windows to track and drive mechanical equipment. There are total 4 pieces of pulleys in one set which you often use for many projects.

SMOOTH OPERATIONInternal lubrication grease, smooth operation, good effect mute.

U-SHAPE GROOVE DESIGNU-shape groove design, smooth surface reduce friction.