Includes an air drive, a 3/8" x 12" stainless steel shaft, a 2-1/2" 3-blade propeller, a support clamp and 24" tall mixer support stand with a 8" x 10" base. The air drive head is lightweight and offers variable speed for mixing. The 1/3 HP motor provides maximum agitation when supplied with 100 PSI @ 21 CFM. This unit is rated for light usage with a maximum torque of 5.5 in-lbs. It features a Gast air motor which is known for its rugged construction and reliability.