• Ideal for releasing and tightening the fuel filter locking ring from the tank sender to the fuel tank
• Internal square drive adaptor to DIN 3120 / ISO 1174
• Makes possible simple and time-saving work
• No damage to the ring by the tool
• Makes work in tight gaps possible
• Less space required
• Special tool steel

Application range: Mercedes M-Class (W164, W166) and R-Class (W251), Audi A4 (2008 – 2016), A5 (2008 – 2016), A6 (2005 – 2011) and A8 (>1994)