LARGE BLADE CLIPPERS For Barbers, Hair Stylists and Pet Groomers Sharpening crystals for clippers BLADE SIZES 2, 3 1/2, and Above 5, 4 1/2, 4, 3 3/4, and Below FEATURES Sharpen blades like new. Cut hair better and faster. Easy to use. Save time. Save money. DETAILS 8 Packets Size: 2.5 x 4.5 x 2.1 inches. Weight: 2.8 oz. 4 Simple Steps When Using Clipp-Aid: It is best to have hair present so you can test your blades for sharpness. Step 1 – Setup Select the packet that matches your blade size Cut open the packet, as directed Turn ON your clippers (or trimmers) Place the teeth (or cutting point) of the blades into the crystals Step 2 – Sharpen Move the blades back-and-forth through the crystals Continue until the colored crystals turn into a lighter-colored powder (Up to 2 minutes) Step 3 – Clean and Oil Turn OFF your clippers (or trimmers) Clean off the blade with a brush really good Thoroughly oil the blade to remove any excess debris Turn ON your clipper (or trimmer) to let the oil run through the blades Step 4 – Get Back to Cutting Hair Turn OFF your clipper (or trimmer) Wipe off any excess oil That’s it!