Features:

• Promac hard wood augers are designed specially for Australian hardwood.
• Coarse thread doesn't clog and makes for much faster penetration at low revs approximately 250RPM.
• Two horizontal edges with very obtuse angles on cutting head, they last longer reducing sharpening and increasing amount of work between sharpens.
• Available in full range of sizes from 10mm-32mm with overall length of 450mm.
• Hex drive shank (atom compatible)
• Extensions are also available. For through drilling you require 22mm and over.
• Made in Taiwan.