This molded white thermoplastic metric component consists of a 49.1 mm diameter 5 mm pitch timing belt sprocket with 31 teeth, and a 28.2 mm diameter gear with 17 teeth. The overall width is 25 mm, and the width through the bore is 19 mm. There is a flange for the sprocket located between the sprocket and gear. The sprocket face is 13mm thick and the gear face is 10 mm thick. Unused
