This is a MS 271 291 MS271 MS291Chainsaw Service Workshop Repair - Parts - Operators 3 Manual Lot. The service manual has 68 pages in it and the Parts Manual has 45 pages. The Operators Manual has 130 pages in it. The Service Manual shows you how to actually work on every part of the equipment. The Parts Manual shows you with an exploded diagram of every part to the equipment and a part # for each part with a name. You will not have to depend on someone else's knowledge when ordering parts. The operators manual helps you understand and maintain your equipment. 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.