Four Spiral Flute Cobalt Step Drill Bit V1.0 Size:3/16" - 7/8" Velcro closure allows for easy

Velcro closure allows for easy single-handed use

No Cam Out - toolant Impact Phillips Bit adopts a anti-slip tips design

Elastic cuff ensures easy on/off and keeps dust out while staying flexible

1/4" Hex-Shank Quick Change - Quick release slot to eliminate slipping

Rotary Hammer Drill Bits Set with industrial-strength carbide which provides outstanding hardness and durability

Four Spiral Flute Cobalt Step Drill Bit V1.0 Size:3/16" - 7/8" Velcro closure allows for easyPremium Performance the aluminum titanium nitride coating gives it extra hardness to achieve a faster, butter cutting like experience. Four cutting blade guarantees a faster and smoother cutting, allowing the swarf to escape easily; Super Durable Bit Lifetime is up to 10x longer compared to normal titanium bits; For Use On Perfect for Stainless Steel Metal Sheet Wood Plastic Aluminum Sheet Copper and other metal sheets; 1 4" Hex Shank Quick Change