Material: U-shaped grooved wheel is made of high-quality nylon material + cold-rolled steel bracket, strong and wear-resistant, strong toughness, wear resistance, good stability, smooth and shiny, sophisticated technology, beautiful and durable.
U-shaped sheave: Unlike other sheaves, it is as smooth as silk and is perfectly suitable for inverting rails. It has two built-in rolling bearings to provide maximum flexibility and sliding, and it is cushioned and noise-free.
Carrying capacity: The heavy-duty cold-rolled steel bracket brings a huge carrying capacity to your project, and a single wheel can carry 100KG/350KG. Ideal for carrying heavy sliding doors or trolleys.
Easy to install: the grooved wheel can be fixed with bolts or welded, just take the wheel out and install it.
The swivel pulley rope design features two carbon steel ball bearings, high-strength screws, and anti-loose nuts,