Construction: Lightweight aluminum frame Machined aluminum braid ready spool allows braid to be tied directly to the spool without any slip Stainless steel main shaft and components for improved corrosion resistance Technology: 6 stainless-steel ball bearings + 1 roller bearing provides optimal smoothness Rocket Line Management System™ provides better control of all types of fishing lines Rocket spool lip design™ allows for greater control of the line coming off the spool Everlast™ bail system provides added durability