Air Ratchet Operation Easily engages with all 3/8" drive air ratchets. Retaining bracket holds pump during use for one-hand operation. Manufactured from high strength, chemical resistant polymer. Suitable for long run cycles. High flow rate of 6.3 pints (3L) per minute with drill speed at 1,200 RPM. 1/4" hex to 3/8" drive drill adaptor included. Quick connect couplers for hose interchange and storage Includes 3 hoses (2x 8mm x 1m 1x 6mm x 1m). Fold away accessory bracket allows pump to be run with 3/8" drive air ratchet. Supplied in a blow mold storage case.