Ball Bearing Roller Handle for Dillon and Hornady reduces operator fatigue during long reloading sessions and makes primer seating easier. Angled model fits Dillon RL550 and XL650 loaders. 90° model fits Dillon Square Deal press. Extremely easy to assemble. Just unscrew your ball and screw this aluminum ball bearing roller handle. Extremely low friction thanks to integrated two ball bearings. Finger grooves also improve your grip. Red Anodized Aluminum roller and steel screw ball.