About this product

Suitable for grinding the edges of glass, jewelry, shells, ceramic tiles, alloys, stones, etc

Heads Shapes: Spherical, Ball; Head Diameter: 1mm; Total Length: 45mm

Shank Diameter:2.35mm(3/32"); Suitable for electric nail drill, carving machine with a 3/32" collet

Premium type diamond coated in grit 120, more durable than the ordinary diamond coated burr

Product Name: Spherical diamond grinding head, diamond ball, diamond carving bit

Suitable for use in grind the edge of glass, jewelry, shells, tile, alloy, stone and other abrasive

Diamond bits for dremel tool are ideal correction tool for processing mold, hard alloy, glass apparatus, jade carving, etc

Shank Diameter: 3mm (1/8"); Suitable for dremel, electric grinder, carving machine with a 1/8" collet; But NOT suitable for machines with 3/32 inch chuck, such as Electric Nail Drill