In Apr. 2015, after 9months of first order in Aug. 2014, customer have new Demand of excavator extension sticks. they reflected our goods quality of first order, and they want to re buy 7sets of extension sticks, 5m and 3m extension sticks for excavator 12-20ton models, and they want the extension stick to fit any same class excavator model they wanted, so we leave the mounting plate blank, they can drill pin hole to fit any excavator, below are some pictures.
