Request a Quote Share Print Specifications Benefits and Features Equipment Compare Models Dimensions Description Rock Drill Weight 60 lb Frequency 1900 bpm Air Coupling 3/4'' Swivel Chuck Size 1'' x 4 1/4'' or 7/8'' x 4 1/4'' Air Consumption 130 ft³/min Description Rock Drill Weight 60 lb Frequency 1900 bpm Air Coupling 3/4'' Swivel