This Rotary Burr Set includes 10 rotary drill bits with ball, oval, cylinder and tree shapes to fit your need! Well made of superior grade carbide for cutting, shaping, grinding, engraving, removing sharp corners on various surfaces.Works for most materials including hardwood, cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, marble, jade and other non-metallic. Suitable for ALL electric and cordless drills.Universal Shapes
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