Our Waverly Ivoroid Bridge Pins are hand-turned, with vintage style.These are high quality, precisely machined bridge pins with no mold lines. Jewelry for your guitar — A vintage material is reborn! Our ivoroid bridge pins, endpins and strap buttons are made of Galalith, a dense and durable casein-based material that polishes beautifully. Popular in the early 20th century, Galalith is found today in collectible vintage jewelry. It cannot be molded; each pin is precisely machined and has none of the unsightly mold lines common to plastic pins. Bridge pin specs: Overall length: 1.25" (31.75mm) Widest diameter (above collar): .320" (8.13mm) Shaft length: 1" (25.40mm) Shaft taper: 5-degree taper Shaft diameter just under collar: .220" (5.59mm) Shaft diameter at bottom of pin: .133" (3.38mm) Sold in sets of 6.