The Back Wired Active Link 165A is a versatile product designed for engineers. It features 7 holes and can accommodate various cable sizes, including 2*16mm², 2*25mm², 1*35mm², and 2*50mm². The link comes with a red cover and has dimensions of 41mm (D) x 42mm (W) x 99mm (L). It is panel mountable and sealable for added convenience and security.