18-36Pcs Diamond Chainsaw Sharpener Burr Grinding Stone File 5/32" 3/16" 7/32" Product Feature Sturdy material: made of quality emery grain, which has good polishing effect, uniform and delicate carving, hard texture, the material is rust and wear resistant, sturdy and lightweight, not easy to break, deform or bend. Multiple specifications: There are 3 sizes, the length is 1.8 inches, 5/32 inches is suitable for electric chainsaw, 3/8 chain; 3/16 inches is suitable for small oil chain saw wheel, 325 chain, large 3/8 chain ;7/32 inch is suitable for saw wheel saw wheel such as big oil chain, 404 chain; different sizes are convenient for you to use and replace in daily life. Easy to install: the chain saw sharpener is easy to install and can be replaced in 2 steps; You can apply polishing without removing the chain, which saves you time and effort and improves work efficiency. Sufficient quantity: you will get 12/24/36/48/60 pieces of hardness diamond chain saw sharpeners in 3 different sizes, which are convenient to carry and store, enough for you to apply in daily life and meet your replacement needs. Wide range of applications: widely applied in grinding and engraving workpieces, such as jade, ceramics, glass, cemented carbide and gemstones. Product Specification Type：Diamond Chainsaw Sharpener Material：Emery Color：Gold Quantity：18/24/36Pcs Grinding Stone Diameter (approx.)：5/32 '' (4 mm), 3/16 '' (4.8 mm), 7/32 '' (5.5 mm) Grinding Stone Length：1.8 inch (45mm) Shank Diameter (approx.)：All is 1/8 '' (3 mm) 5/32 '' (4 mm)：for electric chainsaw, 3/8 chain 3/16 '' (4.8 mm)：for small oil chain saw wheel, 325 chain, large 3/8 chain 7/32 '' (5.5 mm)：for saw wheel saw wheel such as big oil chain, 404 chain Application：for jade, ceramics, glass, cemented carbide and gemstones Package Included 18PCS( 6 x Burr grinding stone file 5/32 inches + 6 x Burr grinding stone file 3/16 inches + 6 x Burr grinding stone file 7/32 inches) 24PCS( 8 x Burr grinding stone file 5/32 inches + 8 x Burr grinding stone file 3/16 inches + 8 x Burr grinding stone file 7/32 inches) 36PCS( 12 x Burr grinding stone file 5/32 inches + 12 x Burr grinding stone file 3/16 inches + 12 x Burr grinding stone file 7/32 inches)