Work Sheet Pad,2HP,13 Columns,50 Sheets/Pad,17"x14",Green Sheets are made of heavyweight green-tinted bond for pen and pencil writing. Each sheet is two-hole punched with 1/4" round holes, 2-3/4" center. Each pad is bound 50 sheets per pad with a chipboard back and flexible press board cover. Padded with an adhesive which permits removal of sheets without disturbing the remaining sheets. Pages are ruled 51 lines per page; every fifth line is heavy with space for totals. Green tint paper is ruled one side only in brown and green ink. Lines and columns are numbered. Sheets are perforated on the right-hand side for folding and insertion into 8-1/2" x 14" binders.