Extra Long Drill Bits: 5/16 inch x 8 inch aircraft drill bits, 3-Piece. Ideal for drilling wood, plastic, PVC, thin metal sheets
UP to 3X Longer Life: Made of M2 high speed steel, provide durability and resisting breakage. Black and gold coated for high-heat resistant and rust protection
Efficiently and Clean: Fully ground technology for PRECEISION and FAST drilling clean, burr-free holes
Prevent Walking: 135 Degrees split point for precision start NO WALKING, and stays sharper longer than your standard drill bits
Optimized Flute Design - Faster chip remove. 3-Flat shank prevents the bit from slipping in the drill chuck. Size markings on the shank for identifying sizes quickly