True Floyd Rose Performance and Style Offering authentic Floyd Rose action at a great value, the Floyd Rose Special Relic Tremolo System is exclusively crafted for Floyd Rose, maintaining classic feel and response while utilizing zinc alloy saddles, a zinc alloy sustain block, and boasting a beautifully worn-in relic finish. The Special Relic Tremolo System includes the tremolo bridge, springs and claw, mounting studs, and all necessary installation hardware — just add a locking nut to your guitar and you're ready to rock! When you need maximum expressive range from your guitar, from high squeals to full dive-bombs, you'll be glad you chose the Floyd Rose Special Relic Tremolo System. Note: Floyd Rose tremolo bridges require a locking nut to operate as intended. Contact your Sweetwater Sales Engineer for more information.Trust the experts in the Sweetwater Guitar Workshop If you're not comfortable installing the Floyd Rose FRTS4000R Special Relic Tremolo