9-Piece Pneumatic Chisel Hammer Set, Demolition Hammer for Concrete, Tiles, and Plaster, with 4 Chisels, Quick Couplers, Mini Oiler, and Carrying Case, 170 l/min, 6 bar 9-piece pneumatic chisel hammer set for precise demolition work. Includes 4 chisels, couplers, a mini oiler, and a carrying case. 170 l/min, 6 bar.