【Convenient 2 Pack】 - Includes 2 clip on bulb lamp shade adapters with cap knob finials for versatile use throughout your home. 【Product Size】- Each clip on lamp shade adapter measures 4-1/4 inches in height, 1/4-27m threads on top to fit any standard lamp finial, the thread is 1/2 inch tall. It's deep finial top is perfect for a spider shade with no harp. 【Durable Material】 - Made of high quality metal, the surface is treated with nice chrome looking finish, rust-proof and has longer lifespan, sturdy and durable to use. 【Easy to Use】 - It can mounts directly on a light bulb and lampshade goes on top. There is no need to measure the harp and figure out how much of the lamp shade will cover. 【Wide Application】 - It can be used for table lamp, floor lamp, standing lamp, desk lamp, suitable for home, bedroom, living room, office etc, It work for any shade that has the spider, best for accommodating a small to medium lamp shade. Features: Lampshade adapters can convert lamp shades to clip onto on standard bulb without the use of a lamp harp. Robust-round wire and metal wire are made of heavy-duty metal, and the installation is firm. The surface is chromium-plated to prevent rust and have a longer service life. Specifications: material: metal Color: as pictures shown Size:Measures approx. 4.25 inches in height, and suitable for standard light bulbs. Package includes: 2 x Lampshade adapter Please allow slight dimension error due to manual measurement. Please allow slight color difference due to different monitor.