Description Plug Wedges and Feather Shims Concrete Rock Stone Splitter Hand Tool Specifications Model Industrial Grade 16Name Wedge and FeatherUses used in conjunction with hammer compressor drilling machine bits for stone blocks billet were split Size Wedge Length 4 72 inch 120mm Feathers Length 2 28 inch 58mm Diameter 10mm 0 39 inch 1 set one wedge and two feathers Instructions for use 1 Consists of a Central wedge and 2 wedges first with quarrying dedicated drill holes in the hole to clear the residual powder the two big wedge head down plane put in the hole then placed upside the small wedge in the middle of the wedge Finally beat with a hammer 2 A hole is placed a pair of wedge quarrying the actual number use according to the workload of the decision Usually the distance between the two holes about 10cm depending on the actual use depending on the workload It can be reused many times Package Includes 1 x Wedge and Feather SetMore Details