This Draper Storm Force Air Hammer and Chisel Kit features a composite body for a lightweight and rugged tool. It offers low noise and vibration, combined with low weight for maximum user comfort and performance. The ergonomic design and lightweight housing help prevent the cold sink effect, reducing user fatigue. The kit includes an air hammer, 5 chisels, a chisel retaining spring, a mini oiler, and a 1/4" BSP nipple. Specifications: Blows per minute: 4,500 bpm Stroke length: 43mm Chisel shank: 10.18mm Operating air pressure: 90 psi (6.2 bar) Average air consumption: 4.0 cfm (114 L/min) Min. hose size: 3/8" (10mm) Air inlet: 1/4" BSP Weight: 1.1kg