The Cornwell Quality Tools   3-Jaw Adjustable Fuel Tank Lock Ring Tool No. CTGFTL3 features a universal three-leg design for removing and installing fuel pump and sender lock rings. Compatible with retainer rings with internal and external tabs, the tool adjusts from 3.5" to 7.8" (90mm to 200mm). Three points of contact provide added turning strength and stability, and the tool can be used with a 16mm wrench or socket.