This guide rail fits models with the Oregon guide rail connection A074 guide rail 30 cm 3/8 inch 1.3 mm TG thickness hobby derailleur guide rail with guide star. High performance guide rail for hobby, semi-professional and professional use. Durable laminated guide rail for light petrol and electric saws Hardened guides and a robust deflector star make this model a real winner. This rail fits models with the Oregon rail connection A074.