Features a 1 inch diameter ball bearing wheel for smooth and long-lasting quiet operation. Designed for use on 1-3/8 inch thick doors with a maximum door weight of up to 220 lbs (100 kg). Fits Part #1125 and replaces #1500 Hardware Kit. Compatible with 100, 134F, 138F, 2610F Series Track. This sliding door roller assembly includes a steel bracket and plastic carriage. The bracket base measures 1 inch x 3 inches and includes 3 plastic rollers spaced 1-9/16 inches on center. The wheels are made of plastic with 1 inch diameter flat edges for smooth, durable, and quiet performance. These roller assemblies mount on the top of bypass sliding doors, bi-fold doors, and pocket doors. Adjustable after installation and used by various pocket door manufacturers. Color: As shown. Material: Metal. Package contents: 2 top hangers, 2 door guides, 1 door stop, 1 wrench, 1 set of screws. Only the items listed are included; other products are not included. Note: Lighting and display settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.