High-quality material: stainless steel stirring rod + impeller, telescopic size 720-1200mm, stirring rod diameter 15mm, impeller telescopic diameter 250mm. Pneumatic motor head: strong power, even mixing, long working time, free speed: 0-1900RPM. Stepless speed regulation: Just control the opening and closing of the intake valve or exhaust valve, that is, control the flow rate of compressed air. Efficient mixing: save time and effort, easy to use. Mix evenly, save time and effort, operate smoothly, run quickly, and be durable. Forward/reverse: Simply use the control valve to change the air motor's inlet and exhaust directions to achieve forward and reverse rotation of the air motor's output shaft.