Superior Sealing : Features precisions machined 37° flared seat surfaces to fluid leakage in high pressure hydraulic systems , ensuring consistent systems pressure and safe Protective Cap Included : Each adapter comes with a protective cap to keep threads clean from dirt and debris , ensuring easy installation and maintaining seal integrity right out of the boxes Premium Stainless Steel Construction : Made from good 316L stainless steel , these adapters durability and reliability for industrial applications and high systems 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 Straight Through Flows : The straight tube minimizes flows restrictions and pressure drops in hydraulic lines , improving energy transfer and reducing fluid heating for efficient, Manufacturer: Elnwnnkc