Chicago Pneumatic CP0200B22L-2F - 2.01 Inch (51 mm) Air Sand Hammer, Stroke 2.52 in / 64 mm, Bore Diameter 0.87 in / 22 mm - 1020 Blow Per Minute 6151618110Heavy compressing application Designed for super intensive foundries applications. Bench rammers or floor rammer to be used in casting sand in cylinder, large molds or in standing positon to compact sand at floor level. Take advantages of this CP0200B range of compact, light, durable, and efficient sand rammers. The CP1014 range is defined by 14 models with power from 5. 6 to 38. 6 joules and from 720 to 1800 blow per minutes.