• Fiberglass reinforced nylon material for strength & durability \n• Metal clip firmly secures the clipper guards onto blade \n• Extra teeth help feed hair into the blade for a cleaner cut \n• Set of 8 different comb attachments: 0.5, 1, 1.5, 2, 3, 4, 5, 6 \n• Fits all FX870, FX825 & most 2-hole clipper blades