The strong tubular metal frame of this classic rotary card file insures durability. Smooth-turning rotary mechanism allows cards to rotate then hold steady for viewing. Includes everything you need: full capacity of snap-in/snap-out cards and 24 insertable tab A-Z index guides. Card Holder Type: Open Rotary Business Card File; Card Capacity: 500; For Card Size: 2 1/4" x 4"; Color(s): Black.