Color Black Brand None Model None Quantity 1 Set Material ABS Other Features Compatible Brand: GOPRO Compatible Model HERO3+/3/2/1 Color:black Size:18.1CM This helmet extends from the shaft arm is designed for motorcyclists race car driver and cyclist tailor-made 180 degree Angle of GOPRO helmet fixed bracket.Perfect Angle light weight strong reliable and convenient to record every moment. Compatible with all fittings Gopro cameras. Helmet is special from the shaft with a special helmet base don't hang bag screw with helmet. General GOPRO screw can be used on hard nylon material hollowed strengthening design. Don't want to use metal autodyne arm can try this lightweight plastic version. Packing List 1 x Helmet extension arm (18.1cm) 1 x Basic buckle 1 x Curved adhesive mount 1 x 3M sticker