This is an MSA 161T Rechargeable Battery Chainsaw Workshop Service Manual and Parts List Manual Lot. The service manual has 30 pages in it and the Parts Manual has 40 pages. The Service Manual shows you how to actually work on every part of the equipment and the Parts Manual shows you with an exploded diagram of every part to the equipment and a part # for each part with a name. These manuals will help you do you own work on your equipment. This is actually made out of paper/book/magazine. You will receive the manuals as pictured.