Straight and Circle Cutting Wheel Roller Guide LCK for Lotos LT5000D CT520D LT3200 ASSISTS CUTTING by guiding user to do straight line cutting and circle cutting. ROLLER HEIGHT distance is 0.37in, Largest Radius is 14in. TOTAL LENGTH including head is 18.2in end to end. DESIGNED SPECIFICALLY for Lotos Plasma Cutters LT5000D, CT520D and LT3500. CIRCLE RANGE cutting ranges from 2in~14in.