High strength, reduced diameter carbon shaft. Straightness tolerance of +-.005". Available in sizes 300 (10.2 GPI), 340 (9.6 GPI), 400 (8.8 GPI), 500 (7.3 GPI) and 600 (6.4 gpi.). ST RPS inserts and orange H nocks are included. All sizes use 9/32" points.