Roofing - Application: Used in a variety of roofing application, from producing laminate or tab shingles to roll roofing or starter products - Machine: Asphalt shingle sheeting machine - Characteristic: + Producing full set of roofing knives. + Longer tool life in production and higher performance with high durability. + Special heat treatment to enhance life and performance. + Design by customer specification or by reverse engineering as required.