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.
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.
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