Brand: Summit Racing Manufacturer's Part Number: SUM-900625 Part Type: Porting and Polishing Kits Product Line: Summit Racing? 8-Piece 1/8 in. Shank Mini Bur Kits Summit Racing Part Number: SUM-900625 UPC: 190861083561 Material Usage: Aluminum/Steel Kit Type: General purpose Case Included: Yes Case Material: Foam/Plastic Case Color: Gray Quantity: Sold as a kit. Notes: Includes 1/4 in. collet reducer for use with standard die grinder. Bits are 1.50 inch over all length. Summit Racing? 8-Piece 1/8 in. Shank Mini Bur Kits Summit Racing? 8-piece 1/8 in. shank， mini bur kits are ideal for precision shaping， deburring， and trimming various metals， plastics， and composite materials―especially in tight applications. Each kit includes an assortment of popular mini bur styles to tackle a number of projects such as engine porting， audio installations， and more! Summit Racing? 8-piece mini bur kits include (all 1/8 in. shanks):* One Cylinder Shape Bur (1/8 in. cutting diameter x 9/16 in. length of cut x 1 1/2 in. overall length)* One Radius Cylinder Shape Bur (1/8 in. cutting diameter x 9/16 in. length of cut x 1 1/2 in. overall length)* One Ball Shape Bur (1/8 in. cutting diameter x 1/8 in. length of cut x 1 1/2 in. overall length)* One Oval Shape Bur (1/8 in. cutting diameter x 7/32 in. length of cut x 1 1/2 in. overall length)* One Radius Tree Shape Bur (1/8 in. cutting diameter x 1/2 in. length of cut x 1 1/2 in. overall length)* One Pointed Tree Shape Bur (1/8 in. cutting diameter x 5/16 in. length of cut x 1 1/2 in. overall length)* One Ball Nosed Cone Shape Bur (1/8 in. cutting diameter x 1/2 in. length of cut x 1 1/2 in. overall length)* One Cone Shape Bur (1/8 in. cutting diameter x 7/16 in. length of cut x 1 1/2 in. overall length)* One 1/4 in. collet reducer