These Buckle Clip Mounts are perfect for attaching your GoPro to a Chest Harness, Helmet mount or Adhesive mount. ------------Compatible with GoPro Hero 13,12, 11, 10, 9, 8, 7, 6, 5, 4, Session, 3+, 3, 2, 1, MAX, Hero (2018), Fusion, DJI Osmo Action, AKASO, SJCAM, Action Cameras. ---------Material: ABS plastic. ---------Weight: about 9.5g.