RCS Plastics Double Knife Display Case With Sheath Holder 14in Stand Fits Custom Work and Randall Knives The inside dimensions for this item is 7" deep x 6.5" high x 14"long This case will fit a knife in the back slot 9" to 13.5" long and up to a 2.5" tall blade and in the front slot will fit a knife 6.5" to 14" long and up to a 2.5" tall blade. We also stock the double knife case without the sheath holders $8 less at $52 3/16" thick clear Acrylic for the lid and the base is 3/8" thick black Acrylic All edges are beveled and polished four scratch resistant bumpers on the bottom