1/2" Lucite Screwdown 1/2" thick non-recessed holder designed for 2-1/2" x 3-1/2" (63.5 mm x 88.9 mm) standard card or small photographs within the same dimensions. Superior quality lucite slabs with four-screw closure on each corner and beveled edges for a premium look. Recommended for use with Ultra PRO sleeves to maintain archival safety. Can be displayed vertically or horizontally. Made By Ultra Pro