: The sheave is made of 304 stainless steel, high strength, high temperature resistance, low temperature, strong and long-lasting performance.
Maximum flexibility: Internal double carbon steel ball bearings, 360 degree fast rotation, with good sliding performance.
Practicality: Gorgeous stainless steel luster, smooth surface treatment for maximum movement. The U shape is more suitable for round pipe tracks.
High load bearing: thickened wheel core and steel plate bracket for enhanced bearing capacity, with a single wheel carrying up to 500KG/1102 lbs. The bracket is detachable. easy to use.
U Groove fits inverted tracks perfectly and can ease the vibration, no noise and smooth as silk,GREAT FOR:Inverted track, industrial machine, rolling gate, sliding door, factory gate, drive way door,container shelf