1/4 Inch Hex Shank Twist Bits - Allows easy to quick change-outs, and can fit in most standard drills, hand drills, and impact drills.
135° Split Point Tip & Spiral Flute Design - Can automatic positioning and more efficient drilling, smooth & quick chip removal while vertical drilling.
Woodworking Drill Bit Set - High performance for drilling all kinds of materials such as wood, plastic, aluminum and other thin metal. Ideal for DIY, home and general building/ engineering use.