5pcs 14x105: Features: *Suitable For Splitting the hard stone,rock,Granite,concrete. Specifications: *Please keep it out of reach of children and safety first *Material: Metal *Color: as picture shown *Diameter: 9/16 inch(14 mm) *Length: 105mm (Approx.) *Suitable for Splitting the hard stone, rock, granite, concrete *Quantity: 5pcs 14x105 and 16x105: *You can have 2 16mm and 2 14mm Splitter Specifications: Material: Metal Color: as picture shown Diameter: approx. 5/8 inch(16 mm)/9/16 inch(14 mm) Length: 105mm (Approx.) *Suitable for Splitting the hard stone, rock, granite, concrete *Quantity: 4pcs How to use: 1.First using quarrying dedicated drill holes, remove residual powder of hole 2.Next upside down the big side of 2 wedges (flat to flat),and put it into hole. 3.Then upside down the small side of central wedge between 2 wedges , and finally using the hammer split stone Package Included: 4*Stone Splitter14mm16mm 2 each 5pcs 16x105: Specifications: *Material: Metal *Color: as picture shown *Diameter: approx. 5/8 inch(16 mm) *Length: 105mm (Approx.) *Suitable for Splitting the hard stone, rock, granite, concrete *Quantity: 5pcs How to use: 1.First using quarrying dedicated drill holes, remove residual powder of hole 2.Next upside down the big side of 2 wedges (flat to flat),and put it into hole. 3.Then upside down the small side of central wedge between 2 wedges , and finally using the hammer split stone Package Included: 5*Stone Splitter