Dremel 105 1/32 In. (0.8 mm) Engraving Bit Ideal for shaping, hollowing, grooving, slotting, inlaying, and making tapered holes Use on wood, fiberglass, ceramics, plastic, jewelry and soft metals The ball shape of the bit can be used to make concave cuts or hollow out material The tip makes round bottom slots and grooves and can be used for rounded side cuts DIMENSIONS: Contents: 2 Bits Warranty: Product Defects Only Description: Engraving Bit Bit Diameter mm: 0.8 mm Color Code: Teal Overall Length: 1.5 Material: Tungsten Model Number: 105 Bit Diameter Inch: 1/32" Shank Diameter: 0.125