10 Set 5/8 Inch Stone Splitter Plug Wedges Down Pads Concrete Rock Stone Splitter For Concrete Marble Rock Separating OOTDTYComs: & Metal, Heat Treatment Process, High Hardness, Toughness. Using wedge and down pads to manually divide stone, stone, granite, marble, concrete. Note: Necessary protective measures must be taken before use; When the stone is about to divide, be vigilant. With a diameter of 5/8 inch (16mm), take advantage of the 1/2 inch hammer bits you can make. The concept of these devices is that they separate the rocks by applying pressure coming from the inside. These wedges are small, but they can exert incredible power. Specification: Material: Metal Total Length: 10.5cm / 4.1in Head Length: 4cm / 1.6in Diameter : 1.8cm / 0.7in Package Includes: 10pcs Stone SplitterNote: Please allow 1-3cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.