Ligature Silverstein QUATTRO Argent - Ténor MediumResizable (+ 1 size) : Use a standard 1. 5mm hex wrench or our Resizing Kit (sold separately) The 2nd Evolution: The Dotted Cord More Harmonic Partials Enhanced Fine Tuners New Tension Adjustment Nut New Bridge Pad The sole purpose of the black rubber pads that are found at the bottom of the bridge piece is to prevent potential minor scratches to the mouthpiece. While these pads provide protection, they also absorb sound energy which can hinder the