LUFFYLIVE Step Drill Bit Set Titanium Step Drill Bit Set, High Speed Steel, Short Length Drill Bits Set of 3 pcs

Description Features: 1. Used to punch holes in various materials, including steel, brass, wood, plastic, etc. 2. Sharp edges, faster and smoother cutting. 3. The side handle can prevent slipping when chuck. 4. High-speed steel, the surface is plated with titanium to reduce friction and cooling. 5. The design of bifurcation point and double groove can prevent slipping and quickly remove chips and punch holes. Specifications Material: high speed steel Color: golden Size: (4-12mm length: about 6.7 cm / 2.64) (4-20mm length: about 7.4cm/2.91)(4-32mm length: about 10.2 cm / 4.02) packing list: 1 set(3pcs) step drill bit