1. Made of High carbon steel, large hardness, durable and reliable to use prevents bit cracking and provides a longer life
2. Including 10 mm, 12 mm, 14 mm, 16 mm, 18 mm, 20 mm, 22 mm and 25 mm, fits for most purpose
3. Featured a 'Four-blade' design, allows for faster chip ejection and its full screw tip ensures ease of use and pull through.
4. Compatible with electric screwdriver of 1/4 hex shank power tool and wood depth operation
5. Ideal for DIY, home, general building, woodworking, engineering using. A necessary accessory set for woodworking drills and impact drivers.
Material: High carbon steel
Range of application: Elm, ash, compression board, sandalwood, density board, plastic, etc
Optional Size: 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm , 25mm
200mm connect rod
Connector: 1/4" Hexagonal joint(extension-type); 1/2" quartet joint(extension-type)
Total length: 170mm
Quantity: 11 Pcs
Packing in a plastic case