【Package & Size】 Size range: 1/16"x3, 5/64"x2, 3/32"x2, 7/64"x2, 1/8“x2, 9/64", 5/32"x2, 11/64", 3/16"x2, 13/64, 7/32, 15/64, 1/4, 5/16, 3/8, 1/2. 

【Wide Applications】 Handree drill bit sets are built for general purpose applications, such as DIY projects, home maintenance and MRO (Maintenance, Repair and Operations). 

【HSS Titanium Coating】High speed steel (HSS) with titanium coating gives Jefe Hex drill bits great durability and prolongs 3 times longer life than drill bits without coating.

【135 Degrees Split Point and Parabolic Flute】 Easy Cut Split Point design makes drilling easy with less pressure and prevents drill bits walking on the working surface. 

【Quick Change Solid Hex Shank】1/4" (6.35mm) hex shank fits into standard power tools and impact drivers.