Extra mounts + spare partsGoPro Grab Bag of mounts and spare parts.GoPro Grab Bag Highlights-Includes 1 Curved and 1 Flat Adhesive Mount, 2 mounting buckles, a 3-Way pivot arm, 1 short thumb screw, 1 long thumb screw and 1 flat thumb screwExpand your mounting options, or use as a resource for replacement partsNote: Always select a helmet that meets the applicable safety standard when you use a helmet with a GoPro helmet mount. Always follow the helmet manufacturer's instructions on safe helmet use.