This fits your .
How to use: 1 Central wedge + 2 wedges composition
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.
Note:Please allow 0-3cm error due to manual measurement. pls make sure you do not mind before you bid.
Breynet 5 pack Concrete Rock Stone Splitting Tool 14mm Plug Stone Wedges and Feathers Shims Set 9/16 - B07D35HN3S