Our Prison King in a smaller version and the 2 ring with fixed thorns. At the big O ring there is the size of your choice. The second ring has a diameter of 40mm. The 6 blunt spines protrude about 6 mm. The small movable ring on the rail has the diameter of 30mm. The Prince\\\'s Wand itself is finely ribbed and with a through hole. The length of the prince\\\'s wand is about 95mm, the diameter increases from 5 to 8mm on. The fine ribs of a difference ca.1mm. Each piece is hand-made of stainless steel clean. The total weight of the Mini Prison King is ca.230 grams total length is about 105mm.