Brand ESER Model 012 Quantity 1 Color Black + silver Material ABS + stainless steel Compatible Camera Models Universal accessory for HERO / HERO2 / HERO3 and SupTig outdoor sports cameras Functions This chain can make you connect with relevant accessories. It can be installed on the bicycle to achieve three-direction turning which can make your camera work better. Other Features This product is ESER--012 activity connection chain accessories for GOPRO camera (including long / short screw and long / short screw bolt). It is the universal accessory for HERO / HERO2 / HERO3 and SupTig outdoor sports cameras. This chain can make you connect with relevant accessories. It can be installed on the bicycle to achieve three-direction turning which can make your camera work better. The metal part adopts stainless steel which will never rust even though in the water. Packing List 3 x Long screws 1 x Short screw 1 x Long screw bolt 1 x Short screw bolt