Variable Speed Motor Pulley (both halves) for 16mm Shaft used in the following models: - Delta 46-715 - Delta 46-715 Type 1 - Delta 46-715 Type 2 PLEASE NOTE: OUR PULLEY HAS A SLIGHTLY SMALLER OD. YOU WILL LOSE APPROX. 10% OF HIGH END SPEED. *does not include the spring, cap, key or retaining ring