Available as open ended or welded endless belts, ATN timing belts come in regular AT10, AT10 tooth profile with 1/2 in. tooth pitch, and regular AT20 tooth pitches. Belt profiles can be assembled by hand utilizing accompanied mounting screws and inserts. Belt length and profile location can be chosen by increments of one tooth. Profiles can be made of any material and can also be assembled and disassembled without removing belt from machinery.