Get organized! Durable registers give you a ready writing surface, plus have space to store file copies. For 5 1/2 x 8 1/2 " forms. Overall size is 6 1/4 x 10 1/4 x 1 7/8" Holds up to 75 2- or 3-part forms, or 50 4-part forms. Copies can be stored in the back of the register. Use pen to advance forms. Silver-Gray Cycolac Plastic.