Atlas Copco Construction Tools introduces the SB 552 hydraulic breaker attachment. The breaker is designed for a range of applications including demolition, road construction, building renovation, foundation work, trenching, landscaping and secondary breaking. The 1,149-pound SB 552 weighs 210 pounds more than the previous model, the SB 450. The breaker offers a high power-to-weight ratio and is suitable for carriers in the 9- to 15-metric ton weight class. The SB 552 delivers a maximum impact rate of 1,080 blows per minute and requires oil flow of 17.2 to 30.4 gallons per minute at a pressure range of 1,450 to 2,180 psi.