Rdjumpdjo 1 set Guitar Bridge Pins 6Pcs Copper Endpin 6 String Pegs & 1 Set Black and White ABS Bridge Pins & Saddle & Nut

and the brass at the pin definitely increase the loudness and dynamics, it may actually increase the high frequency content of your guitar, let the tone more attractive. Copper is harder , it can increased brightness and even added bass, This is because the hardness of the material transfers the vibration of to the top of the guitar with more efficiency. 6pcs Copper guitar pins with pins puller & 6pcs bridge pin wth Upper bridge, Down bridge:Color: Gold & Black & Black-White ,Material: ABS & copper + ABS Copper pins impossible to be broken, not only look beautiful, but also not easy to be oxidized Suitable replacement parts for folk guitar