Description:

This nylon constructed roller features a threaded hex hub. It has a 3/4 in. diameter with a flat edged design. Fits on most J shaped tracks that are 3/4 in. tall. Model # M 6152 Features: 3/4 in. Diameter flat edge nylon ball bearing Threaded hex hub 4 wheels with screws Fits most J shaped tracks 3/4 in. tall.