Tremolo Arm for PRS Patented Tremolo (Private Stock/Core) by PRS Guitars Title Nickel ($31.49) Gold ($37.79) Qty: 1 2 3 4 5 6 7 8 9 10 Price $31.49 Tremolo Bridge Arm. Compatible with PRS Patented Tremolos found on PRS Core instruments. (Stainless Steel/ACC-4015), (Gold/ACC-4016). Upcharge for Gold finish. arm bridge tremolo