Nylon reinforced with fiberglass for strength and durability;
Metal clips to firmly fix the cutting guides to the blades;
Additional teeth to help guide bristles towards the blades for a cleaner cut;
8 cutting guides: 0.5, 1, 1.5, 2, 3, 4, 5, 6;
Compatible with FX870 and FX825 models and most mowers fitted with two-hole blades.