Duplicate and triplicate books from "TOREX" for writing records in two or three copies, in A6, 113 x 180 mm and 225 x141mm sizes. Paper is 60, 70 or 80 GSM or as per requirement. The duplicate book is offered as 100 ruled and 100 plain, and the triplicate book as 200 ruled and 100 plain. Covers come in hard case and soft case of 120-140 GSM. The books have white and blue covers with red binding strips, and each cover carries a large number. Catalogue code: SC-SN-109