2 Pcs 8mm Adjustable Electric Guitar Tremolo Bridge Studs & Anchors for Floyd Rose (Silver) Features: Made of premium copper-zinc alloy, it is quite durable and strong. Adjustable height, about 2.4-3.8cm, meet your using needs. Set of 2 Double Locking Tremolo Bridge Studs&Anchors for Electric Guitar Replacement. They are designed to replace the old or damaged tremolo bridge studs of electric guitars. Perfect and necessary instrument replacement parts for electric guitars. Specifications: Condition: Material: Copper-zinc Alloy Weight: Approx. 16g / 0.6oz Size: Approx. 20 * 8mm / 0.8 * 0.3in(Anchor), 24.2 * 7 * 6mm / 1.0 * 0.3 * 0.2in(Stud) Optional Color: Gold, Silver, Black   Package list: 2 * Guitar Tremolo Bridge Stud Anchor Set