Chicago Pneumatic CP717 - 0.498 Inch (12.7mm) Air Hammer, Round Shank, Stroke 2.68 in / 68 mm, Bore Diameter 0.75 in / 19 mm - 1800 Blow Per Minute T020120 US$ 791.98 Min. order: 1 piece ★★★★★ 4.6 (218 reviews) Sold : Login>>