The ROTA-G (straight serrated base jaws) provides high-clamping force due to wedge bar system. It's compatible with all standard bar-diameters machining because of its large hole structure. It's safe and allows ease of use plus it's cost-effective since the chuck jaws are easy to change and reworking of jaws is avoided. The system has stable functioning parts of both sides ensuring continuous accuracy. Its base jaws are versatile and the very high RPM feature optimize use of the lathe chuck. Other 3-jaw chuck versions like ROTA-G 200,250,315 are available. Optional jaw accessories include ROTA-G Chuck, Claws, Top and Clamping Ranges.