Step Drill Bit Sheet Metal Punch Set

STEP DRILL BIT SHEET METAL HOLE PUNCH SETProduct Features3-piece step drill bit set made from high-speed steel.Crack-free cutting with a double flute system.Small Drill: 4, 6, 8, 10, 12 mmMedium Drill: 4, 6, 8, 10, 12, 14, 16, 18, 20 mmLarge Drill: 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32 mmTin coating, 6 times more durable than standard HSS bits.Package Contents1 step drill bit sheet metal hole punch set