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.