1Each pin has a tapered stem, just like the pins you get with your acoustic guitar. 2By adding mass to the bridge, tone pins increase the clarity, sustain, and brightness of your tone. 3They also enhance your guitar's appearance. 4Bridge pins fit most traditional acoustic guitar bridges, are machined out of brass and fit almost all brands of six string acoustic guitars 5Varied styles to complement any instrument. Features: Each pin has a tapered stem, just like the pins you get with your acoustic guitar. By adding mass to the bridge, tone pins increase the clarity, sustain, and brightness of your tone. They also enhance your guitar's appearance. Bridge pins fit most traditional acoustic guitar bridges, are machined out of brass and fit almost all brands of six string acoustic guitars. Varied styles to complement any instrument. Specifications: Condition: 100% Brand New and High Quality Color: Gold Material: Brass & Abalone Shell Quantity: 6pcs Total Length: Approx. 3.1cm/1.2' Bottom Part Diameter: Approx. 0.85cm/0.33' Weight: Approx. 29g Packing List: 1 x Set of 6pcs Guitar Bridge Pins