10pc S2 Steel 10mm Shank Impact Screwdriver Socket Bits Option:Ph2,Ph3,Ph2+Ph3

5pc ph2+5pc ph3. 10pc- S2 Steel 10mm Shank Impact Screwdriver Socket Bits Ph2/Ph3. Heavy-duty cold-forged steel for higher torque output. Idea for using with impact screwdriver, which is great for turning rusted, frozen, or other stubborn screws.