For the assembly and disassembly of the tank float with most Volkswagen and Audi models. Inner diameter 120mm. With 1/2? connection. For models from 2000 at Audi A3 A4 A6 A7 A8 Q3 Q5 Q7 R8 TT and Volkswagen Beetle Caddy Eos Golf Golf Cabrio Golf Plus Jetta Passat Passat CC Phaeton Polo Sharan Scirocco Tiguan Touareg Touran transporter including utility vehicles. Suitable for OEM number T10202 (VAG 3087).