This 9-pin Straight-through male to female serial cable (25ft) features one DB9 male connector and one DB9 female connector, providing a high quality serial mouse or EGA monitor extension. Expertly designed and constructed of top quality materials to ensure durability, this DB9M/F Straight-through serial cable is backed by StarTech.com's Lifetime Warranty. The StarTech.com Advantage - Extend the reach of your serial devices by up to 25ft - Replace worn-out or missing straight through serial cables with this high quality, 25ft Straight Through Serial Cable - DB9 M/F - Backed by StarTech.com's lifetme warranty