3 specifications. Chamfered hex key edges to give better fit and reduce stripped fasteners. 05",1/16",5/64",3/32",7/64",1/8",9/64",5/32",3/16",7/32",1/4",5/16",3/8",1. 5mm, 2mm, 2. 5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm.
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