





π§ Master every valve core job with precision and power!
The Mastercool 81290 is a compact, heavy-duty valve core remover/installer designed for universal use on A/C systems. Featuring a double-ended design, it fits both large JRA/EATON and standard R12/R134a valve cores, providing professional-grade durability and an ergonomic grip. Made and assembled in the USA, this tool promises reliable performance and long-lasting value for HVAC professionals and enthusiasts alike.



| Manufacturer | Mastercool |
| Brand | Mastercool |
| Model | Universal Large Bore Valve Core Remover |
| Product Dimensions | 6.1 x 5.84 x 2.79 cm; 22.68 g |
| Item model number | Standard/JRA/Eaton β R12/R134a |
| Manufacturer part number | 81290 |
| Item Weight | 22.7 g |
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