Non original part suitable HL30, HL45, HL73, HL75, HL100, HL-KM Viking HEL600, HEL700 Single blade 31 teeth per blade, overall length of 615mm Note! Not suitable for HL145 (0 - 145 Degree heads) OEM part number - 4230 710 6050, 4230 710 6053 Including a set of 2 blades Fits the following Brands Models: HL45 , HL75 , HL75K , HL100bn , HL100K Blade Length: 500mm (20"). Overall Length: 615mm (24.2"). Replaces the following Brands,,