Sokkia Transit Field Book - 815200 This Sokkia Transit Field Book is a bound hard cover book. The Left page is level ruled. The right page has 8 vertical and 4 horizontal blue lines and a red vertical center line. The book contains 80 sheets (160 pages) of 50% cotton rag content paper. Weatherproof, durable hardback book. Size: 4-1/2" x 7-1/4" Left Page: 6 Columns Right page: 8 x 4 Grid