• New HSS Steel Large Step Cone Drill Titanium Bit Set Hole Cutter, which is made from high quality HSS steel, and with the Titanium coated to reduce friction and heat
• The 3 cutters come in the following sizes increments of 2 mm : 4 - 32 mm, 4 - 20 mm, 4 - 12 mm.
• 100% brand new and high quality

Parameters:

1. Material: high speed steel

2. Specifications: 4-32,4-20,412, hexagonal handle: about 6.35 mm/ 0.25 in

3. Applicable scope: woodworking punch

4. The product is available in 4-32,4-20,412 three specifications.