Cello cello parts: easy to install, very close to the string, the sound is particularly full and comfortable. Cello replacement tool: the material is safe and durable, which is wear resistance and practical for the long time use. E1a string bridge pads-- it is simple in design but very practical to use and gives you a good experience. Placed underneath your's string on your violin,this will your bridge,making t last longer,stopping the string,could also increase a better tone and prevent buzzing. Bridge Pads For Violin: When using, use a thin needle-like wire to apply half of it with a little glue, half on the bridge, then stick the other half Violin string pads-- the cello enthusiast or player. it can be as a spare string pad in a cello bag. Colour:As Shown Material:PU Type:A:Cello bridge protection pad/B:Violin bridge protection pad Package Contents: 10x String Protectors Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.