MACHINE RIGID CONSTRUCTION – Features 6061-T6 machined aluminum frame, side-plate and spool for maximum durability and strength. MACHINE RIGID FRAME - Incorporates a one-piece fully-machined aluminum frame. These rigid bar-stock aluminum frames are the ultimate in precision alignment and tolerances withstanding more pressure and torque than any other material used in our industry. MAXIMIZE YOUR DRAG SYSTEM - 17-4 grade stainless steel helical cut gearing and multi-disc carbonite drag system with Cal's drag grease ULTIMATE DRAG EFFICIENCY - Multi-disc Carbonite Drag Washers allow for a much wider, smoother drag range and maximum efficiency while out on the water. CORROSION-RESISTANT COATING – Features Okuma’s CRC: Corrosion-resistant coating process which penetrates and bonds to the metal, which helps significantly toward long term protection.