Scubapro S-TEK Spinner SpoolsEvoking the distinctive design of SCUBAPROs classic G250 second stage, thesepremium spinner spools come in three line lengths and are super easy to use. The keyto each spools user friendliness can be found in the exclusive SCUBAPRO brandedspinner discs located at the center point of the spool; the discs remain static while thespool spins and the line plays out. Consequently, the spool will not try to rotate out ofyour hand like normal spools do,