7 PCs Multifunctional Drill Bits

FEATURES PREMIUM MATERIAL: 6542 HSS Carbide with a reinforced head that prevents bit cracking; Twist drill bit set made of hard and durable alloy, provides longer life. UNIQUE DESIGN: U type slot design with fast drilling dust remove, antiskid triangle handle allows the drill bit to be held tightly and stable in power drill. WIDE USAGE: Spear pointed design strong tungsten carbide tip can easily penetrate various material like tile, concrete, brick, glass, plastic, and wood, etc, and reduces breakout. DRILL BIT SET WITH 7 DIFFERENT SIZES:  3mm, 4mm, 5mm, 6mm(1/4"),  8mm(5/16"), 10mm(3/8"), 12mm(1/2"). SPECIFICATIONS Material: Hard Alloy  Tool Holder Type: Triangle Handle  Cooling Type: Outer Cold  Blade Top Corner: 135°  Color: Black/Orange PACKAGE INCLUDED 1 set of Multifunctional Drill Bits (3mm, 4mm, 5mm, 6mm,  8mm, 10mm, 12mm)