Black powdercoated steel jack dish measures 4" x 4-3/8" and requires a cutout of 2-7/8" x 3-1/4".
This dual 1/4in jack dish kit includes the steel dish, two 1/4" jacks (Neutrik part # NYS229) and 4 #8 x5/8" black trusshead screws for mounting. These kits now also include a self-adhesive gasket to prevent air leaks.