Premium Stainless Steel Construction : Made from good 316L stainless steel, these adapters durability and reliability for industrial applications and high systems. Superior Sealing : Features precisions machined 37° flared seat surfaces to fluid leakage in high pressure hydraulic systems, ensuring consistent systems pressure and safe. Straight Through Flows: The straight tube minimizes flows restrictions and pressure drops in hydraulic lines, improving energy transfer and reducing fluid heating for efficient . Protective Cap Included : Each adapter comes with a protective cap to keep threads from dirt and debris, ensuring easy installation and maintaining seal integrity right out of the boxes. Bulk Pack for Professional : This10pcs bulk pack provides excellent value for professional and serious DIYers, allowing you to handle maintenance, repairs, or new builds without downtime due to missing parts.