This steel ball bearing roller assembly is used to replace damaged or missing tandem roller assemblies in patio sliding glass doors
5/16 in. wheel thickness (width) x 1-1/4 in., 11/16 in. wide housing, 1-1/32 in. housing height, 3-1/8 in. housing length
Adjustable height with minimum collapsed height at 1-9/32 in.
Steel housing construction with steel ball bearing wheels