Set includes: 1x 600mm (24 inch) x 1/2"D power bar (Part No. 1343). Exceeds DIN 3122 is 512Nm, the breaking point of this tool is 80kg-m, which equals 784.815Nm. Also includes: 3x 1/2"D single hex (6 pt) sockets. Sizes; 17, 19 & 21mm (38mm length). 1x extension bar. Length; 125mm. Manufactured from chrome vanadium with a chrome plated finish. Replacement head for power bar available, please see Laser Part No. 1545.