Simrad NSS evo3 or Zeus3 12"This is the backing plate only! no Instrument!!This is a 1/4" black King Starboard, has U.V. rating. backing plate designed to cover up larger holes in your dash Again. The Simrad in the picture is NOT included.16 1/4" lenghth by 10 3/4" highInside cut out is 13 3/16" x 7 5/8"1/2" radius corners with a nice bull nose face for a softer look. THIS CAN BE MADE ANY SIZE...MUST CONTACT ME BEFORE BIDDING IF YOU NEED A DIFF SIZE? This is to cover holes left from a larger radio. Ships within 24 working hours. We can make any size, for any instrument you need.Cesany Plastics, Inc.