Bluespot Tools 20504 4-32mm Step Drill Set 3 PieceThis Bluespot Tools 3-piece step drill set is designed for precision drilling of holes in a variety of materials including aluminium, brass, copper, plastic, steel, and wood. Manufactured from high steel with a titanium coating for increased durability, reduced friction, and heat dissipation.Features Titanium coated for reduced friction and heat. Manufactured from high steel for durability and cutting power. 2mm step increments.Specifications Brand: Bluespot Tools MPN: 20504 EAN: 5028734205046 Includes: 1 x 5 Step Drill (4-12mm), 1 x 9 Step Drill (4-22mm), 1 x 10 Step Drill (4-32mm) Supplied in a robust metal case.