Zenit ZSh-550 MS (842467)

The Milwaukee Shockwave 1 in. Impact Duty Torx T20 Bits are engineered to be the most durable, best fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance which prote more→cts the fit over the life of the bit. The Shockzone is optimized for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 has a customized steel and heat treatment per tip type to extend the life of the driver bits, providing up to 50X life vs. competitive impact driver bits. The Milwaukee Shockwave driver bits are built to deliver extreme durability for the most demanding applications.

Specifically designed to handle the abuse that impact drivers dish out, the DeWalt DW2149 28-piece Screwdriving Bit Set consists of the most commonly used bits, made of a special steel that is designe more→d to be ultra-durable. Each bit uses a black oxide process for greater wear resistance and strength. The tips in the DW2149 set can be used with impact tools rated for up to 2,000 in. lb. of torque. Comes in a tough case to keep it organized and easy to transport.

Diablo's hi-performance screw driving set delivers extreme durability and longer life in the installation and removal of fasteners. The included drive bits have an optimized tip design to provide a st more→rong, precise grip that reduces wear, stripping and slippage. The magnetic nut setters and drive bit holder are designed with a high-strength, permanent magnet for a secure, anti-wobble grip when fastening screws and nuts. Torque resistant Design absorbs torque for less stress at the tip. This set is Impact Strong, delivering increased shank stability and durability in cordless and corded impact and drill drivers.