The original and only Invisible disc. Provides strong adhesion to glazed and unglazed surfaces. The disc is easily removed without damage to product. Comes with easy and failsafe instructions. Still Made in ENGLAND The Invisible Plate Hanger comes in 5 sizes: Code Size Object Size Weight 101 30mm up to 12cm Maximum 500 Grams 102 50mm up to 18cm Maximum 1 Kilogram 103 75mm up to 24cm Maximum 1.5 Kilograms 104 100mm up to 30cm Maximum 2 Kilograms 105 140mm no size limit Maximum 3 Kilograms TIP For heavier objects, just apply 2 invisible plate hanger discs and thread wire between them, then hang the wire on the hook! Hook and nail shown are NOT included!