Andis Small Nano-Silver Magnetic Comb Set, Nano-Silver technology with anti-bacterial properties • Rare earth magnets easily secure comb to clipper blades • Patented magnetic combs eliminate the needs for clips that bend or break Andis 5 Nano-Silver Magnetic Comb Set • Long-lasting, quality magnets will not wear out. Sizes #0 -1/16",#1 - 1/8",#2 - 1/4", #3 - 3/8", #4 - 1/2" - Fits MBA, MBX, MC-2, ML, MLX, MA-1, US-1, PM-1, PM-2,PM-3 & PM-4