FEATHER has perfected the art of replacement blade shears, offering on alternative to high maintenance haircutting shears. The Switch-Blade shears frame is made from high quality 17-4 stainless steel for endurance and performance. The major benefit is the shear is renewed in seconds every time you replace the super sharp FEATHER blades. No more hassles of sharpening service. By far, the best value professional haircutting scissors in the industry. LIFETIME GUARANTEE Feather guarantees all its Switch-Blade shear frames to be free of manufacturing defects in material and workmanship. All feather Switch-Blade frames, having had normal use will be repaired or reconditioned for a nominal $7 postage and handling fee.