STEELMASTER Steel Card File Box, Fits 4 x 6 Index Cards, 900 Card Capacity, 6.5 x 5 x 8.5 Inches, Black (263846BLA) Steel file card box Fits 4 x 6 Inch index cards Up to an 900 card capacity Coated in black with a scratch and chip-resistant powder finish External dimensions of 6.5 x 5 x 8.5 Inches