The Mach I Speed Spool® features a premium 8 bearing system with double-shielded stainless steel ball bearings and a Zero Reverse one way clutch bearing for smooth operation. Lightweight one-piece graphite frame and sideplates. The innovative MSB (Multi-Setting Brake) system features both an externally adjustable magnetic cast control and internally adjustable centrifugal brakes for superior cast control. Smooth Rulon drag system provides up to 15 lbs. of drag power.