Request a Quote Share Print Specifications Benefits and Features Equipment Compare Models Dimensions Description Clay Digger Weight 22 lb Frequency 1700 bpm Air Coupling 1/2'' NPTF Chuck Size 7/8'' x 3 1/4'' Air Consumption 40 ft³/min Description Clay Digger Weight 22 lb Frequency 1700 bpm Air Coupling 1/2'' NPTF