Insulated Heavy-Duty Keystone-Tip ScrewdriverIndividually tested to exceed standards. Tips are precision ground to fit screw openings securely and resist slippage. Cushion-Grip handles for greater torque and comfort. Patented Tip-Ident® quickly identifies the type of screwdriver and tip orientation. Two layers of insulation provide protection against electrical shock. Material: Steel; Overall Length: 15 7/16 in; Shank Length: 10 in; Shank Type: Round; Tip Type: Slotted; Tip Width: 3/8 in; Weight: 0.28 lb.