OIT2223 Features: Transforms hammer blow to up to 200 foot pounds of shock torque Spring-loaded, helical design hand impact driver 3/8'' square-drive fitting Reverses for tightening and loosening For turning rusted, frozen, or other stubborn screws Tip Size Symbol (Min): #2 Tip Size Symbol (Max): #4 Tip Type: Hex, Phillips , Slotted Handle Material: Alloy Steel Shank Type: Round Measuring System: Inch Quantity: 6 per pouch Price is for 1 Set Includes: Includes: (4) Hex Screwdriver Bits, Vinyl Pouch, Adapter for 5/16 in. Hex Bits Color/Finish: Shank Finish: Alloy Steel Dimensions: Tip Width: 5/16 in, 1/2 in