The Nile Products 4500PP10MB has 1 000 authentic Nile Products time cards per package that work with the Nile Products model 4500PP calculating time clock. These genuine and authentic time cards are designed to record date in and out punches total time between punches cumulative worked time and daily overtime (OT). Each card is numbered for employee assignment and double-sided. Only use the genuine and authentic Nile Product time cards with the model 4500PP time clock.