CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Pu...

CO-Z HSS 5PCS Titanium Step Drill Bit Set with Automatic Center Punch, 50 Sizes in 5 High Speed Steel Drill Bits Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped Up Bits for DIY Lovers

• HSS Steel Construction ----- High-speed steel construction for longer cutting edge life even at extreme temperatures.
• Titanium Coating ----- Coated by titanium, this step drill set performs well in heat, corrosion and rust resistance.
• Automatic Center Punch ----- Delivers an automatic, high-impact, spring-loaded strike when pressed against surface, adjustable cap regulates striking force.
• 50 Size In 5 ----- The bits set includes five standard step drill bits that can replace 50 individual drill bits.
• A Must-have for Handyman or Professionals ----- Perfect for home repairs and light jobs such as drilling holes in plastic, aluminum, copper and many other types of sheet metal.