Specification: Name:Belt Sander Pulley Wheel Specifications Fit For 20*520 Belt Sander Color:black Diameter:20mm Features -Suitable for 20*520 Belt Sander. -Rugged and long lasting. -It can be replaced at any time and is easy to operate. Note -Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. -The color may have different as the difference display, please understand. Package Included 2 x Belt Sander Pulley Wheel