FURminator deShedding Tool Reduced shedding up to 90 percent by removing the loose, dead undercoat without damaging the topcoat this tool is recommended for medium dogs and cats. Guaranteed to reduce shedding better than any brush, comb or rake Works great on all shedding, long and short-haired dogs and cats Brings out the pets natural oils, promoting healthier skin and shiny topcoat Reduces the amount of airborne elements that cause allergic reactions in many people Helps to eliminate hairballs in cats.                                                                                                     4 sizes: Set1:blade width: 45MM, head length:1.75''                                                              Set2: blade width: 67MM, head length:2.65''                                                             Set3:blade width: 75MM, head length:3''                                                                Set4::blade width: 100MM, head length:4''