Retractable Attendance Rack Punch Card Holder Attendance Card Holder Large Capacity Time Card Holder - Holds 20 standard 3.4-inch wide cards. Easily keep physical records for each employee and maximize office efficiency. Convenient and Reliable - With its expandable modular design, pockets can be added or removed to suit your needs. This time card holder is simple and straightforward to use and easy to store. High-Quality Materials - Made of and plastic. Rust-free and impact-, ensuring is lost in a disaster. Great for indoor and outdoor use. Easy Installation - Comes with mounting hardware. Install this card holder near the clock or employee entrance for easy use. Note: Time cards are not included. [Wide Application]: The time card holder is suitable for office, factory, warehouse workshop clocking in, etc., convenient for recording attendance time, attendance, payroll, employee assignments indoors and outdoors. Colour:Gray Material:Plastic Package Contents: 1 * 20 Slots Rack Card Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.