BRAND NEW - SEALED Oster Cryogen-X Blades 078554-236-003 For All Oster ClipMaster, ShearMaster ShowMaster 24 TOOTH BLOCKING COMB - 3" WIDE Blades Are Scratch and Rust-Resistant Made in USA For use on all Hand Pieces and 3" Shearing Head Catalog Part Number: 078554-236-003 24-tooth comb designed without bevels for show trimming of horses and cattle For use on the 3" shearing head and professional hand pieces Oster uses cryogenic technology to create the hardest blades ever. Cryogenic processing conditions metal to 300 degrees below zero, so molecules are aligned in a perfect structure. The result is a harder, denser metal that holds a sharper edge through prolonged usage. A5 Cryogen-X Blades also withstand more sharpening treatments for unsurpassed longevity. Sharper blades glide through coats with less effort, saving you and your clipper from unnecessary fatigue and wear. Cryogen-X Blades are manufactured from fine-grain, high-carbon steel that is cryogenically treated. With a Rockwell Hardness rating of 62, these durable blades were designed with the busy groomer in mind. Blades stay ultra cool for optimum durability. Powered by Turbo Lister The free listing tool. List your items fast and easy and manage your active items.