Prime-Line D 1831 Roller Assembly 1-1/2 in Dia Roller 5/16 in W Roller Steel 1-Roller Plain Back Mounting

Steel ball bearing roller, adjustable steel housing assembly. Used by many patio door manufacturers. 2-5/8 in L, 1-1/8 in H and 3/4 in W housing dimensions. 10-32 machine thread on top and 1/4-20 machine thread on end of housing.