Overview Reviews Product Description The set includes four stoppers to seal lines in automotive flare type steel brake lines, power steering and transmission cooler lines. Two line clamp pliers 6-1/4" and 7-1/4" in length seal flexible brake lines, fuel and vacuum lines. Smooth rounded edges will not damage internal hose reinforcement. Eight stoppers and four caps are used for plugging vacuum and fuel lines. Stepped design can be used for both internal and external lines. Stopper sizes from 1/8" through 1/2". Caps are 5/8" and 3/4" for larger lines. Lisle Tools Catalog Product Videos Custom Field Harmonization code HTS #8203206030 Manufacturing country US Product Reviews Write a Review Write a Review × Lisle Internal/External Master Line Stopper Set 67000 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *