Endura "2000" aluminum rod ends have increased cross sectional thickness for greater tensile strength. Self-lubricating, self-sealingTeflon/Kevlar bearing races are used. Features: 2-Piece - AluminumTeflon®Teflon® is a registered trademark of E. I. DuPont de Nemours & Co. , Inc. /Kevlar® Self-lubricating race right & left hand threads. Ball: 52100 Bearing Steel. Heat Treated. Hard Chrome Plated. Precision Ground. Race: Kevlar®Reinforced Nylon 12 with PTFE. Body: Aircraft Aluminum 7075-T6. Color Anodized Red (Standard). Exclusive Features: Metal to Metal Support for Heavy Shock Loads. Increased Cross-Sectional Thickness for Greater Tensile Strength.Pit Stop USA offers QA1 AM Series Aluminum Rod End - Black - Male - 1/2" Bore x 5/8" Thread - LH AML-8-10BK at low everyday prices. Be sure to check out all of our products from QA1 Precision Products including QA1 Precision Products 1/2" x 5/8" Aluminum Rod Ends and QA1 5/8" x 1/2" Male Aluminum Rod Ends.