White U-groove nylon pulleys, 4206.5-7.4 mm inner diameter, for sliding doors

Features: 1. Each product has a label with a unique reference number on the inner packaging, confirming its conformity. This label includes the part number, model number, and inspection date. 2. For any product-related questions, please provide us with the reference number so we can perform a check. Your satisfaction is guaranteed. 3. Deep groove ball bearings provide smooth gliding and are resistant to compression wear. 4. Made of plastic and steel, these bearings are an ideal replacement for your damaged parts. 5. They are suitable for sliding bathroom doors and sliding glass closet doors. Specifications: Materials: Plastic + Steel; Color: White; Dimensions: ; Package Contents: 4 nylon pulleys