Taps & Dies By Fbest

• Made from Chrome vanadium steel, tempered twice
• Designed to remove damaged, rusted or stripped screws, studs, bolts, fastener, metal water tap and water tube, etc
• Aggressive left handed(extractors) and righted handed(drill bits) spiral flute design for extra gripping power
• Drill bits' diameters and recommended extract diameters of broken screws are etched on case
• Drill bits can also be used to bore holes on wood, metal, plastic, brick and wall, etc