Stainless steel main gears, pinion gears and shafts Single speed, High-speed and Two-speed models Durable corrosion-resistant frame & side plates Stainless steel reinforcing side plate rings Forged aluminum spool with line indicator rings Carbonite drag system with Cal’s universal drag grease 2 thrust bearings reduce handle turning force be over 50%. 5BB+2TB stainless steel shielded bearings 20-50W models 5BB+2TB+RB stainless steel shielded bearings 10/15 models Double dog, silent anti-reverse on all models Dual anti-reverse system on all 10/15 sizes Ratcheting drag lever for precise drag setting Stainless Steel Body Armor reduces frame flex 20-50W models T-Bar handle design on 50W-size Ergo Grip comfort handle on all 10 through 30 sizes Low profile On/Off clicker with stainless steel wishbone Wide-mouth levelwind: Stainless steel with Ti coating “L” models High Speed 6.2:1 gear ratios on SLX-10CS and SLX-15CS Open top frame design on SLX-10CS and SLX-15CS