To be used with Stackable Snap-In Hangers. SSHA-38 12” insert fits 7-11 mm Kit of 10 SSH-78-7 78” insert fits 7-11mm Kit of 10 SSH-78-11 78” insert fits 11-17mm Kit of 10 SSH-114-11 1-14” insert fits 11-17mm Kit of 10 SSH-114-17 1-14” insert fits 17-20mm Kit of 10 more...