This is a cow bone saddle of the same size as the Yamaha WT83730E. I shared some of the ones I purchased for my Yamaha guitar, and they were well-received, so I'm offering more. Size: Approximately 75mm long, 3mm thick, 9.7mm high Material: Cow bone, unbleached It has almost the same shape as the Yamaha WT83730E, so it can be used directly on guitars such as APX500III/APX1000/LL series, CPX1000, FS820, FG820, FG820-12, LS6 ARE, and FS-TA. In the third and fourth photos, the white one on top is the genuine Yamaha saddle (removed from a guitar), and the cream-colored one below is the cow bone saddle. It's difficult to find cow bone saddles that are the perfect size for Yamaha guitars, so please take advantage of this! This price is for four saddles. Price negotiations are not possible. I am also listing a set of two, so please take a look.