High Quality: Woodworking bits made of premium high speed steel for high hardness, high abrasion resistance and high heat resistance. 1/4 shank size is suitable for most electric and cordless drills Main Function: Woodworking rotary drill bits are available for handling wood, non-metals ferrous, plastic and rubber, soft materials, etc Usage: rotary drills are available for handling wood, non-ferrous metals, plastic and rubber, soft materials, etc /li Content: 5 shapes: ball, oval, cylinder, large cone, small cone. 6mm shank suitable for most electric and cordless drills Convenient control: simple rotary file, safe and reliable, no dust pollution, improve the working environment /ul Features: Material: Steel. Color: Gray Handle diameter :Approx. 0.63mm. Length:As pictured. Contents:Set of 5 rotary burrs. Friendly reminder: 1. Due to different manual measurement methods, please allow slight size difference. 2. Due to the difference in lighting and screen settings, the items color may be slightly different from the pictures, but does not affect normal use. ladacea p