Feature 1.100% brand new and high quality 2.Suitable for Camera The adapter interchange 1/4" to 3/8" screw of cameras, tripods, monopods, make good match for different tripod leg and head. Converting 1/4" to 3/8" screw adapter for common Tripod / Monopod. Adapter SIZE(mm): 11.8(diameter)x7.0(height). Allows the base to be a UNC 3/8 female screw hole (camera or gimbal), which can be connected to a UNC 1/4" gimbal or quick release plate. If the screw hole on the bottom of your camera is a large 3/8-inch hole, and the screw on the gimbal plate or quick release plate is a small 1/4-inch screw, then with this conversion screw, everything will be solved easily. 1.materialPlastic 2.colorAs the pictures shown 3.sizeas the picture shows Package include:10pcs Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.