This is a 3 Manual Lot of the HT Gearbox Workshop Manual and Telescopic Drive Tube Workshop Manual. The Telescopic Drive Tube Service Manual has 11 pages. The HT Gearbox Service Manual 15 pages and the 4180 Power Head Manual has 48 pages. 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. 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. Orders of from my store of $60 or more will be free shipping. If you purchase more than one Service and Parts Manual Lot, please request an invoice and I will combine shipping for you. If you pay full shipping, I will refund the difference. I am grateful for any business you choose to give me.