Guitar/Bass
Martin Guitar Bridge Pin Liquid Metal Chrome
Martin Guitar Bridge Pin Liquid Metal Chrome, Set of Bridge Pins, Made of "liquid metal", a zirconium alloy, Helps to increase volume and sustain, With red inlay, Quantity: 6 pieces, Colour: Chrome
https://www.bizrate.co.uk/guitars_bassguitars/martin-guitar-bridge-pin-liquid-oid25190290918.html