[Premium Radial Ball Bearing] Our sliding patio door roller is made of high-quality radial ball bearings. The 2pcs rollers can withstand a weight of 330 lbs (150 kg) and can work after 100,000 cycles. All bearings are made of heat dealing bearing steel.
[Size Details] The sliding patio door roller includes standard size of 5/16inch wheel thickness (width) x 1-1/4inch diameter. It has sturdy and durable structure.
[Quick Installation] This sliding door tandem roller is quick to install without additional tools. Just remove the broken or missing in-line roller assembly from door or window, then install a new one, and your sliding glass door will normally operate again.
[Scope of Application] The sliding glass door roller is practical and suitable for sliding glass doors, screen doors, sliding doors, windows, vinyl patio doors, wardrobes, etc.
[What You Receive] The package includes 2pcs sliding glass door rollers, easy to replace old or damaged ones. It is usually used for various sliding glass door manufacturers to replace rollers on extruded aluminum or vinyl sliding patio doors.