3 Piece LARGE - Titanium Coated HSS STEP DRILL BIT SET....4-12mm, 4-20mm, 4-32mm
BLUE SPOT 3PCS HSS STEP DRILL SET ( 4MM - 32MM ). SPECIALLY DESIGNED FOR PRECISION DRILLING OF HOLES IN ALUMINIUM, BRASS, COPPER, PLASTIC, STEEL AND WOOD. MANUFACTURED FROM HIGH SPEED STEEL FOR INCREASED DURABILITY AND CUTTING POWER.