The inside metal can be used for self-photography underwater. And the outside rubber is anti-slip and comfortable to catch. And a rope is attached for easy carry.The top of the hand grip has an aluminum mount for connecting various photography equipment with 1/4 screw hole such as cameras, LED video light, etcConvenient to install, easy to carry anywhere and lightweight design Specification:Material: Aluminum Alloy, Silica GelWith 1/4 screwCompatible with: Gopro Hero5 Hero4 Hero3 SJCAMPackage Includes:1x Neopine Non-Slip Handle Selfie Monopod Grip Holder Mount