TOPS™ Time Clock Cards, Replacement for 1900L, One Side, 3.5 x 9, 500/Box (TOP1252) Pack of 500TOPS Time Clock Cards Equivalent to time clock manufacturer's time cards. 143 lb tag stock. Global Product Type: Compatible Time Clock Cards Size: 3. 5 x 9 Time Period: Weekly Printing Sides: One Side Card Quantity: 500 OEM Card Number: 1900L Clock Recorder Compatibility: Acroprint 125, 150, 175, ES700, ES900, ESP180; Amano PIX, TCX; Lathem Time 900E, 1200 Series, 1500E, 2000 Series, 4000 Series, 5000EP Product Biodegradability in Days: 0 Pre Consumer