Master Mechanic 1202S1116 Air Hammer with 4 Chisels, 2.8 CFM @ 90 PSIPerfect for cutting, chipping, piercing, scraping. Features heat treated impact parts for durability and ergonomic grip for comfort and stability. Screened filter air inlet keeps out dirt and debris. 2. 8 CFM at 90 PSI air consumption. Air hammer kit with 4 chisels attachments Delivers 4500 BPM Alloy steel barrel & heat treated piston Ergonomic grip for comfort and stability Heat treated impact parts for durability Screened filter air inlet keeps out