Fits Clipper Models: MBA, MBX, MC-2, ML, MA-1, RACA, PM-1, PM-2, and PM-3 Andis Magnetic Guide Comb Set features patented magnetic combs infused with nano-silver technology with anti-bacterial properties. Rare earth magnets easily secure comb to clipper blade without slippage. Magnetic combs eliminate the need for clips that bend or break. The long lasting quality magnets will not wear out. Fits clipper models: MBA - MC-2 - PM-1 and PM-2 Comb Sizes:#5- 5/8", #6- 3/4", #7- 7/8", #8- 1"