This product is a pack of 25 reversible replacement blades for the FOD-2000 Fiber Optic Drop Cable Slitter. Specifications Length 1.121- (28.47 mm) Dimensions 1 in x 0.25 in x 0.25 in (2.54 cm x 0.64 cm x 0.64 cm) Weight 0.02 lb (9.08 g)