The Stone Stage holder makes use of two staging posts that firmly secure the stone to the stage for unmoving rigidity. The posts easily release the stone for quick change.
The only stones you'll need.
*Please note that Nano Hone products are returnable for a full refund if in unused condition. Once used they are not returnable/refundable. Any warranty issues related to quality of the product should be addressed directly to Nano Hone.