PHYHOO Diamond Burr Bits 2.35MM Diamond Drill Bit Glass Small Pipe Deburring Rotary Tool Accessories 90 Pieces Description All burrs in this set have a shank size 2.35 mm, allowing them to be compatible with most die grinders and rotary tools as you shape, grind and finish your work with precision. Features: Excellent for fine detail work, cutting, engraving, carving, touch-up and finishing Work on glass, metal , stone, ceramic, wood, plastic Total 90 Pieces and come in convenient plastic box All burrs with a diameter 2.35mm shank - compatible with most die grinders or rotary tools Highly recommended for jewelers, lapidary use, hobbies, crafts, craft modeling, home repair and so much more Product Details: Material: Diamond Finish Type: Diamond Shank Type: Straight Brand: PHYHOO Item Dimensions LxWxH: 11.81 x 1.97 x 3.94 inches Product Dimensions : 11.81 x 1.97 x 3.94 inches; 1.6 Ounces Item model number : PHY089 Date First Available : May 27, 2016 Manufacturer : PHYHOO Best Sellers Rank: #496,282 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #720 in Power Rotary Tools #720 in Power Rotary Tools Customer Reviews: 4.0 4.0 out of 5 stars 238 ratings