The TRIBOS-RM precision toolholder from SCHUNK has a one-piece, rotationally symmetric design with a precise run-out accuracy of less than 0.003 mm for small tools for micro machining. It is designed for spindle speeds of up to 60,000 rpm in high-speed cutting. Sizes ISO 10 D 1 to 6 mm are available. The balancing grade is G 2.5 at 25,000 rpm.