FEYAIM Flexible Clip Lamp Holder with on/off Switch Iron base,thick spring,better and firmer grip.In addition,a soft rubber cushioning foam is installed in the clip opening to reduce movement noise while preventing slippage.Plug and play, the clamp lamp fixture with US Plug and the switch，cable length 86.6in, which is more suitable for use.The clip lamp is compatible with E26/E27 bulbs,such as tungsten,LED,and more. It is a good helper for office lighting and reading. E26/E27 Light Bulb Socket Sturdy Metal Clamp 35 CM Adjustable Aluminum Neck