Brand New Florida Pneumatic FP-610K Economy Medium Duty Air Hammer KitSpring Type Chisel Retainer Designed for Muffler and Exhaust WorkRecommended Hose Size: 3/8" ID Recommended Air Pressure: 90 PSI 1/4" Air Inlet 3000 RPM 4 CFM USA Made5 Piece Chisel SetHeavy Duty Molded Plastic Carrying Case