Prime-Line Products D 1797 Sliding Door Roller, 1-1/2-Inch Steel Ball Bearing, Pack of 2 2 Steel Ball Bearing Rollers 2 axle pins 2 roll pins 2 carriage bolts with nuts 2 rivet axles 2 binder posts with 8-32 x 1/2 inch screws Can be used in many different patio door or closet door roller assemblies