High Speed 6.2:1 gear ratio 6061-T6 machined aluminum frame, sideplate and spool 17-4 grade stainless steel helical cut gearing Multi-disc Carbonite drag system with Cal's drag grease CRC: Corrosion-Resistant Coasting process Swept aluminum star for increased ergonomics Anodized aluminum swept handle reduces wobble while cranking 4BB+1RB corrosion resistant bearings, spool bearing with TSI oil Ergo grip handle knob with anodized aluminum handle arm Dual anti-reverse (Mechanical and roller bearing) XL Gearing: Drop down gear box Quick-Set ant-reverse bearing allows for zero back play in handle MSS: Mechanical Stabilizing System for increased durability Self-lubricating gear system, all models