Support ring, Modular Jack, 2-gang for holding Modular Jacks ITT Canon and Panduit Notes : For screw mounting only. Suitable for: ITT Canon: MK2 808, MK3 and all other jacks of this product line. Panduit: Jacks of the product line MINI-COM such as CJS 588 cat.5 shielded, CJ 588 BL Cat.5 unshielded.