Crafted from sturdy, this 2 piece oil bubble assembly set ensures long time and a perfect fits for 139 tube models Ideal for mechanics, maintenance professional, and craft enthusiasts working with hydraulic systems or industrial machinery Featuring a robust design and hassle release installation, each oil cup delivers secure sealing and efficient operations in demanding conditions The accuracy molded construction resists and wear, making this set a cost effective upgrade for extending equipment service life Designed for workshop and factory applications, these oil cups leaks and maintain optimal lubrication in high pressure equipment and automotive tools, Manufacturer: HDOYTXXM