[" Brand New and High Quality. \r\nA spectator screws a nut onto a bolt about half way up and then you hold it at your fingertips. The audience can for always see your empty hands. Suddenly the nut starts to rotate and unwind along the bolt. It looks like some ghostly power is screwing the nut and bolt. It can be done visually or under a cup or handkerchief. \r\nNothing to hide in your hands.\r\nNo complicated body hook ups.\r\nCan be immediately repeated as many times as you want.\r\nFully examinable before and after the effect.\r\nEasy battery replacement.\r\nNo clothing limitation. You can wear short-sleeves. You don'for t even have to be wearing clothes!\r\nNo switches are required. In fact, no sleight of hand is needed.\r\nNo suspicious moves.\r\nAudience themselves screw the nut onto the bolt and also you can hand the bolt and nut to them immediately after the effect.\r\nMaterial:Metal \r\nBattery:2Pcs button batteries(included)\r\nDimensions :5.3*1.1*1.1cm /2.09\"*0.43\"*0.43\"\r\nQuantity:1Set\r\nNote \r\nSize for manual measurement, there may be a 0 to 2 for cm error, belongs to the normal phenomenon. \r\nAnd due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n\r\nPackage includes（no retail package）\r\n1Set x Nut Off Bolt Magic Set(included batteries)"]