Oster 918-10 size 18 Skiptooth. Cuts 1/8", 3.2mm. Fits Oster Classic 76 clippers, Power Pro, Power-Teq and Star-Teq clipper. For heavy or curly hair to remove ridge lines on ethnic fade. Coated with wear-resistant Diamox blades to ensure they stay sharper longer. Blades stay ultra cool for optimum durability.