A tensioning tool for changing the V ribbed belt on many Volkswagen Audi Group engines including Volkswagen Passat, Golf and Polo from 1991 onwards. Use with standard 1/2"D ratchet or extension bar. Additional Information Volkswagen Passat, Golf and Polo, Polo Classic, Caddy 1993-99 1.9L Tdi (AHL) and 1.9TDi (AHU) 2.0 Gti/GL (ABA). Use with 1/2"D ratchet or extension bar. 1/2"D Time saving. Growing applications.