This is a ball head holder for GoPro cameramodule, need to meet the RAM of one inch sucker rod and ball sets ormotorcycles, bicycles and other movable adjustable outriggers comprehensiveeasy to use and more intimate. Designed for GoPro HERO3/3+/4/5 custom ballhead mount. GoPro although there are supporting their own base and stand, butcan not meet many outdoor players of high intensity, multi-functional needs. Special ball seat, and now finally cancombine GoPro Hero and thousands of RAM Mount parts module Tripod Ball Head Base 360 Degree Rotationfor GoPro GO161E Compatibility: GoPro HERO3/3+/4/5 Features: 100% Brand New and high quality Specially designed for GoProHERO3/3+/4/5 Diameter: 2.5cm Note: Screw and camera are not included Material: Plastic and Meta Size: 5.5*3.5*2.5cm Weight: 16g Brand No Brand SKU OT776EL1IHUJKNAFAMZ-28035 Model GO161E