The M10x1.0 spark plug repair kit p/n 4010-103 includes all the tools and 5 inserts. Includes inserts:Qty 2) M10x1.0x9mm p/n 40101Qty 3) M10x1.0x15mm p/n 40103 The M10x1.0 spark plug repair kit p/n 4010 toolingis more suited for holes that 3 or 4 inches in depth.The wrench which is the black tool 3-3/4″ rotates all the tools, has a 7/16 ” inch hexat the top which can allow you to extend the tooling with a socket further if need.Inserts not included order separately. Most common insert for washer seat spark plugs is the40103that is .60″ (15mm) long which is considered 3/4″ reach.If working on a deep hole use4010Ewhich is the extended version with longer tooling. Fits many motorcycles like Kawasaki, Suzuki, Ducati etc. Verify your application uses a 10mm washer seat spark plug. Time Sert 4010 Instructions pdf. Mouse over the images above for a more detailed view of the kit components. Need more information on TIME-SERT thread repair kits? Visit our auto repair blog section on thread repair kits for tips, advice and all your thread repair questions answered. Just comment and we will be quick to respond. See theTIME-SERT products pdffor more information on thread repair kits and inserts. Some are listed for certain applications on cars, trucks and motorcycles. The pdf is a partial application list so feel free to email or call if we can assist with your particular need. We also accept inquiries regarding our daily TIME-SERT specials. Remember TIME-SERT is recommended by leading car manufacturers like the General Motors Corporation. In fact TIME-SERT is GM’s only authorized repair for head bolt threads.