HTS 123O2 14 Pc SAE & Metric Nut Driver Set 3/16", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16" SAE drivers 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 12mm metric drivers Plastic case with belt loop Each chrome vanadium steel tool has a 1/4" hex shank Don't trust imitations, order only from Hobby Tool Supply for genuine HTS branded products