It should work on any manual reel lawnmower. The product goes a long way...I have sharpened mine at least 5 times over the past 2 years with the amount of compound in the kit.
Lapping compound is an acrylic acid homopolymer per the compound label.
Yes. Works very well.
Yes. I used this to sharpen a Scotts classic 20" mower.
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The sharpening compound is a car/truck engine valve grinding/valve lapping compound. Can be purchased at any automotive parts store for approximately $4.50.
Lapping compound is used in the process of "Back Lapping" a reel mower. First you must properly adjust the bed knife/reel contact. Then you turn the reel slowly (About 1/4 the speed it goes when mowing) backward and brush the compound on the reel. After about 5 minutes stop the process, check reel adjustment, and adjust if needed. I generally check to see if all blades are cutting evenly with a piece of newspaper. If it cuts newspaper it will cut grass. I saw someone made the comment to just brush it on and mow. DO NOT DO THAT. It will round the cutting edge on both the reel blades and the bed knife. Once that happens you will need to take it to a sharpening shop set up for reel type mowers to have a relief grind put back in. BTW if you plan to do ALOT of mowers like for Golf Course Look into a Lapping Machine to turn the reel. I use a 1/2" variable speed electric drill set very slow and a socket wrench that fits over the wheel paul on the reel. BTW - I am a retired Golf Course Superintendent.