The splitter is a new practical and economical secondary breaking tool. Designs by the voussoir principle- It can release enormous fission strength even in the narrowest holes, the objects will split according to the predetermined direction. The split wedges are mainly used in natural stone mine, secondary breakup of large pieces of ore, Partial and full concrete structures demolition operations, natural stone mine, splitting and breaking, with advantages of simple structure, easy operation, small size, light weight, split fast, low cost, energy conservation etc.