Description:The adapter interchanges 1/4" to 3/8" screw of cameras， tripods， monopodsConverts 1/4" to 3/8" screw adapter for common tripod / monopodMakes good match for different tripod leg and headMale Thread(outside):?3/8"Female Thread(inside): 1/4"Adapter Height: Approx. 16mm/0.63inchWidest: Approx. 18mm/0.71inchMaterial: Aluminum alloyColor: SilverPackage Includes:1 x 1/4" to 3/8" Convert Screw Adapter