The latest contact info I have for Mark Hodge is markhdg@gmail.com, home 540-942-3210 and cell 540-241-1782. I bought some stablizers from Mark for a Kubota L3800 and they worked great.
2014 Kubota L3200 DT w/LA524 FEL, Loaded rear tires, LP RCR 1860 5' Cutter, LP RTA 1258 5' Tiller, LP PFL 2042 Pallet Forks w/60" Extensions, KK BB60 Box Blade, KK PHD-12" Post Hole Digger
They replace the turnbuckles that are on many tractors. When you set them for your implements, they normally don't have to be moved and help when backing up to an implement and if two implements are that different, it is easy to adjust without any tools.