5 Piece HSS Black & Gold Quick Change Hex Shank Step Drill Bit Set (Sizes #1 to #5 BoltsandNuts.com The handle's red exterior is

The handle's red exterior is made of a lightly textured TPE material that resists most common shop chemicals and is slightly soft and grippy for controlled spinning

Shank Size: 43/64"

The handle grips are made of single-layer vinyl

Part Number DWTSMR112-18X2

Part Number DWDA/CX1252

5 Piece HSS Black & Gold Quick Change Hex Shank Step Drill Bit Set (Sizes #1 to #5 BoltsandNuts.com The handle's red exterior isProduct Description Step drills have single radial concave flutes to create a perfectly round hole in metal, plastic wood and other thin materials without center punching. Constructed of industrial grade high speed molybdenum steel, heat treated and temperature for long life. Self starting tip. No center punching needed. Automatically deburrs top side of hole. Ideal for steel, copper, aluminum and other thin materials. They are Black and gold surface