Anti Scratch: The base of magnetic clips is completely covered with silicone. It provides a soft feel and protect your refregerator from scratch. Heavy Duty: One of these magnetic clips can hold up to 110 sheets of A4 paper. The maximum opening of the clip is 0.52 inches. Versatile: Perfect for use on kitchen, office, school and more. It holds keys, photos, notes, wipes, tools like scissors, oven mitts. Caution: Do not use products near credit cards and other de-magnetizable items. Dimension: 1.18 inches