It is an efficient tool for handling scrap steel,rocks,garbage,wood,solid waste and demolition etc. The number of tines change between 5 and 8 according to capacity of grabs. TR 1100 has 0,5-25 m³ capacity. It has a Electro-Hydraulic system that works with electricity. Its motor force is inceased related to grab force. It is used by a control panel. The mechanical structure for opening & closing is succinct and original. No maintenance required except greasing. It is easy to use and can work under any circumstances in order.