Martin's Luxe Bridge Pins are just another example of the company’s mission to constantly improve the tone and playability of your guitar. These high-tech pins are made from Liquidmetal, a Zirconium alloy that reflects energy instead of absorbing it. The result is an increase in volume and sustain without sacrificing the low-end or richness of the guitar’s tone. In addition, they are extremely durable and will last significantly longer than most bridge pins on the market today.