Clipper, 3" - 4-1/2" fastener, 4-7" cards with .109 d.l. Pin, made for maximum abrasion resistance, recommended for 3/16" to 1/4", 2 ply belt, overall strength resulting in less down time, ease of installation, reduces maintenance costs & increased productivity, kit includes pre-cut duralink connecting pins, pins are built with a high wear, resistant nylon coating, ideal for abrasive & abusive applications.