Chunshop New 4 Magic Chinese Linking Rings Set Magnetic Lock Kids Party Show Stage Trick These 4pcs linking rings are well designed for magic trick It has gap to link or unlink other rings Playing with these four connected rings expertly and quickly to make your audience believe that your have superpower Material: Iron,Color: Silver,Ring diameter: Approx. 3.93 inch/10cm (Approx.) Easy to play and to bring you lot of fun,Great accessory for your magic tools