COMPATIBLE Surfing Tether Kit for DJI OSMO Action 3 4 1. The flat adhesive base has a large area and strong adhesion 2. The large adhesive base allows the camera to be attached to sports equipment such as surfboards and skis 3. Stable installation, not easy to fall off, to meet the needs of a variety of high-intensity sports shooting 4. Provide double protection, surfing, skiing process to prevent damage to the camera and lost, rest assured to sports 5. Packing list: safety sticker x 1, quick release adapter x 1, locking screw x 1, flat adhesive base x 1 6. Adaptable products: DJI Osmo Action 4, Osmo Action 3 7. Dimensions: Insurance sticker about 30 x 13.7mm, quick release adapter about 40.2 x 21 x 34.2mm, locking screw about 55.6 x 23 x 13.3mm, flat bonding base about 59.7 x 29.33mm 8. Weight: safety sticker about 6g, quick release adapter about 16g, locking screwflat bonding base about 20.7g