Andis® UltraEdge Clipper Blades for a professional cut that will leave your horses looking sharp. The chrome plated, carbon-edged Andis UltraEdge Clipper Blades get the job done right. Size 40 blades cut your horse's coat to .25mm for a close, surgical shave. Versatile Andis blades are rust-resistant, built to last, and can be used with ALL Andis, AG, AGC, AGP, AGRC, AGCL, AGR+, AGRV, MBG, SMC and Oster A5 Models.