Milwaukee Shockwave T20 TORX 1 In. Insert Impact Screwdriver Bit (15-Pack) Starlock Separate mounting board required for

Separate mounting board required for supporting 2 mailboxes (sold separately)

Bronze wood screw features: flat head with nibs

Coarse thread for superior holding power

impact driver with variable speed

For indoor/outdoor uses

Milwaukee Shockwave T20 TORX 1 In. Insert Impact Screwdriver Bit (15-Pack) Starlock Separate mounting board required forMilwaukee Shockwave Impact Duty driver bits are engineered to be the most durable, best fitting driver bits on the market. The optimized Shockzone geometry is unique for each tip type to provide up to 30x longer life and absorbs 3x more torque vs. other impact bits. The Precise Fit Custom Machined Tip prevents stripping and reduces wobble while the Custom Alloy76 Steel and proprietary heat treat process maximizes resistance to wear and shock.