Supercrazy Fuel Line Pipe Disconnect Plier Set SF0077 For breaking into fuel lines and hoses fitted with quick release coupling's. Can be used on most vehicles whether petrol or diesel. 120 x 8mm twin peg pliers with red handles for use on Chrysler / Ford / and Renault petrol engines. 120 x 8mm diameter pliers with green handles for use on GM (vauxhall / Opel) fuel systems. 120 x 10mm diameter pliers with blue handles for use on Chrysler / Ford and Renault diesel fuel systems.