These lamp harp kits are DIY lighting projects for replacing your old table lamps floor lamps, widely used on lamp shade for bedroom, living room, office, restaurant, etc. Specification: Material: Metal Color: Black Harp Size: 165mm x 105mm / 6.5inch x 4.1inch(H*Max.W) Finial Size: 38mm x 25mm / 1.49inch x 1inch(H*D) Saddle Hole Diameter: 10mm / 0.39inch Thread Size: 1/4-28 Packing List: 1Set x Lamp Harp Advantage: Made of iron with plated surface, rust resistance, corrosion resistance, durable and sturdy. The lamp finial is easily screws on and off, saddle can be removed according to your need. Instruction: This lamp harp is detachable and easy to install, just mount the harp on the lamp shade and then tighten the finial to fix. NOTE: 1. Please follow the instructions in picture 3 to choose the appropriate lamp harp for your shade. 2.Our base is 3/8 IP Standard Base, please pay attention to your lamp size before purchasing.