【 Auto Steel Line Stopper 】 To split a brake line without mess of brake fluid. And avoid brake fluid leaking and splashing for work space. 【 Easy to Use 】 Use to plug steel lines once disconnected. With smooth rounded edges that will not damage internal hose reinforcement 【 Universal Design Used to Plug Lines 】 Size: banjo, 3/8“, 5/16“, 1/2“ 【 Widely use for A Variety of Lines 】 Perfect for line repairs like brake, transmission cooler line, A/C, fuel, etc. Use with any automotive fluid. 【 Quick Installation 】 Spring loaded design installs in seconds. 【 FIRSTINFO Assurance 】 Designed and manufactured in Taiwan with premium quality. We provide you this quality assurance tool with 12+10 months after-sales warranty (10 months warranty by the register) support. Help you to achieve a satisfactory shopping experience.