DEWALT 12 in. Self-Feed Bit Extension
This 12 In. heavy-duty self-feed bit extension from DeWalt features an aggressive spur that provides fast material penetration, an optimized cutting geometry for longer bit life, an open tooth design for more resharpening, and a 7/16 In. ball groove shank for quick change applications.
Aggressive spur provides fast material penetration
For self-feed bits
Extension increases your drilling reach
7/16 In. ball groove shank