Prime-Line 1-1/4 in., Nylon Ball Bearing Sliding Door Dual Roller Assembly, Ador Hilite

This is a unique one of a kind trolley style roller assembly with two parallel 1-1/4 inch concave steel rollers in a stamped steel housing. Used on Guaranteed Products patio doors, it's unique housing fits into the bottom rail held in place by the two existing screws in the door. Purchase the Prime-Line part D 1548 for the steel roller version.

• Plastic rollers are rust resistant
• Ball bearing roller for a smooth sliding action
• Grooved edges allow easy gliding over a raised edge