Made of 45 steel material, through fire dipped black surface treatment, ensuring its sharper and durable.
Package includes 5 Shapes: Ball, Oval, Cylinder, Large Cone, Small Cone. 1/4” (6mm) shank suitable for most electrical & cordless drills.
Convenient control, using simple, safe and reliable, no dust pollution, improve the working environment.
Easy to Use: This Rotary Burr Set has 1/4 Shanks that fits all Drills.
Suitable for wood, plastic and other soft materials, carving, engraving, chamfering, engraving, slotting, reaming and other effects.