🔹🔹. MULTIPLE SHAPES:Contain sphere, cylinder, bullet head etc, various shape helps do different work like drilling holes, grinding, carving and etching . great for grinding on stone, enlarging holes in granite,widen a hole in my ceramic sink.
🔹🔹. BOTH COARSE AND FINE GRIP STYLES : Package included 6pcs 1/4" shank 60 Grit diamond grinder bits and 6pcs 120 Grit fine Grinder burrs, coarse and fine diamond burr set for various applications meet different needs.
🔹🔹. 1/4 INCH SHAFT: Rotary grinding grill Bits fits most of electric machine, rotary tool, and larger die grinders. great for grinding /smoothing most of hard material ,such as iron, Granite Travertine, glass, ceramics, tile, brick, fiberglass, stone, rock carbide, gold, platinum, silver, metals.
🔹🔹.TOTAL 12 pcs: Multiple grits and shapes meet different needs ,Good gift for DIY enthusiast hobbyist or craft fan, wear-resistant, maintain sharpness, not easy to fall off. (Note: use water for coolant, keep drill Smooth rotation).