Check the listing for details. Gimmicked Keys Folding Key Thru Bottle or Ring Penetration Magic Trick Gift. Condition: New, Made in China. Listed at 4.31 USD. Features: 100% Brand new and high quality. Folding Key Thru Bottle or Ring Penetration! Magicians dating back over 100 years have been fascinated with gimmicked keys. One of the most popular has been the folding key. This has been used for years to apparently place a borrowed key into a bottle. Specifications: Key length:8cm/3.15". Material: Metal. Package Includes: A pair of keys. Brand Unbranded MPN Does Not Apply UPC 607376830561 Material Metal Key length 8cm/3.15" UPC 607376830561 Country of Origin China .