Ultra-Pro 1-Screw Screwdown - THICK (Quantity of 25) Ultra-Pro Screwdown Card Displays Each holder takes a 2 1/2 by 3 1/2 card. For the Thicker Cards, such as GameUsed Memorabilia Cards; . Archival safe; . crystal clear; . Recessed card area;. holds up to 100 pt. card