Constructed in the USA, the Pro Lite 350 hose has a tough, abrasion resistant Nylon sheathing, bonded to the textile inner braid embedded in the synthetic rubber liner. This gives the hose incredible flexibility while maintaining the ability to withstand high vacuum and hot oil temperatures. Pro Lite 350 hose has been specifically designed to use Earl's Swivel Seal, Auto-Fit and Auto Crimp Hose ends exclusively. The use of other manufacturers hose ends is not recommended and may compromise the pressure capabilities and durability of the hose. Insist on the brands you trust, Earl's Pro Lite 350 hose and Swivel Seal, Auto-Fit or Auto Crimp hose ends.