GHS 4-String Banjo Set, Phosphor Bronze (Loop End), Tenor, Light, . 009-. 028 Gauges (L09, L12, LB22, LB28), GHS Item 210. Stainless Steel have a bright, articulate tone and phosphor bronze have a warmer tone. Features LockTwist technology to stay in tune, have a specially shaped loop for a variety of tailpieces, and are extra long (42" winding) to ensure they fit.