This size adjustable bullet ring is adorned by four small (irreplaceable) stones adjacent to a larger and replaceable Swarovski crystal at the center.
 
Item dimensions:
1.20 x 1.25 x 1.30 inches
(dimensions may vary per size)
 
Replacing the Center Stone:
1-Carefully insert the Allen wrench into the side of the ring and turn counter-clockwise to unlock the stone.
2-Press the end of the Allen wrench onto the back of the ring to release the stone from its base.
3-Place the new stone inside the ring and gently press down to ensure it is securely placed.
4-Insert the Allen wrench again into the side of the ring and GENTLY turn clockwise to lock the stone in place (do NOT forcefully turn any more than necessary - mechanism inside might break).
Casing Type: 
416-Barrett
50 BMG
 
Ring size:
6-13
 
Center Stone:
All 20
 
Plating Type:
14k Gold
14k Rose Gold
Palladium