GEARWRENCH – 8916D – 16 Pc. Ratcheting Nutdriver Set, Sae/Metric Color Black Brand GearWrench Material Alloy Steel shafts Item Length 5.5 Inches Item Weight 0.5 Pounds About this item GearDriver uses a variety of interchangeable shafts and handles for improved access to hard-to-reach fasteners 45 tooth ratcheting handle provides 8° swing arc delivering added strength for tough applications Color coded stripe to easily identify SAE from metric sizes Included Components:? (7) SAE nut driver shafts – 3/16″, 1/4″, 5/16″, 11/32″, 3/8″, 7/16″, & 1/2, (8) Metric nut driver shafts – 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, & 12mm, (1) Stubby Ratcheting Handle – 890005GD.