This product has been on the market since 1986. A one of a kind chainsaw attachment used for debarking, notching, post sharpening, wood carving and planing. It has proven to be a handy tool for fencing and log home construction. The nature of the "LOG WIZARD" ensures it is adaptable to all chainsaws manufactured on the market today. This unique product is providing Farmers, Ranchers, Log Home Builders, Portable Sawmill Owners/Operators, Wood Lot Owners, Fishing and Hunting Lodges, Landscapers, and Arborists with a variety of uses. 450010$194.95 Replacement BladesFor Log Wizard. Pack of two. 731001-4$18.95 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.