During the 1970's, Ithaca marketed shotguns made by SKB of Japan, and this buttplate is proper for that gun.
Dimensions / Sizes for the Ithaca SKB Buttplate Late;
5 1/8” x 1 21/32”
3 3/32” between screw holes (c/c)
3/4” from heel to top screw hole
1 11/16” wide across center of screw hole @ toe
