This product is mainly used for the fixation of some lamps with flexible hoses. Connect the mounting hole to the lamp hose or microphone hose. And then clamp it on bed headboard, desk, table, bookshelf, or piano. Besides, you can also use the clip for other purposes like clamping paper sheets, photos, and maps. Or even for sealing bags.SpecificationColor: GreenMaterial: Plastic, SteelTotal Size: 118x76x93mm / 4.57 x 3 x 3.66 inch (D*H)Hole Dia.: 10mm / 0.39 inchPacking List: 2 x Reading Light ClipsAdvantages1. These clips have several colors for you to choose, a beautiful appearance.2. With the anti-skid and scratch-resistant mat design, easy to attach anywhere.3. Steel material can make sure the spring is not easy to deform or damage. At the same time, the thicken steel spring make sure the clips have a strong force to clamp.