Master Line Stopper Set Features includes four stoppers to seal lines in automotive flare type steel brake lines, power steering and transmission cooler lines two line clamps pliers in 6-1/4 and 7-1-4 lengths seal flexible brake lines, fuel and vacuum lines with smooth rounded edges that will not damage internal hose reinforcement made of light weight and highly visible fluid resistant nylon reinforced plastic eight stoppers and four caps are made of highly visible, flexible plastic and used for plugging vacuum and fuel lines during engine tune-ups stepped design can be used for both internal and external stoppage stopper sizes from 1/8 to 1/2 inch caps are 5/8 and 3/4 inch for larger lines
