TELESIN Backpack Strap Clamp Magnetic Swivel Clip for Cam 360°Rotating Adjustable Strap Mount Quick Clip Mount Compatible with GoPro11/10/9/8 Features: 【Strong Attachment & Grip】With multiple rows of serrations and a thicker spring design, the backpack strap clamp features with stability and shake resistance, so there is no worries about dropping your unit. 【Versatile with Magnets】The backpack shoulder clamp is also designed as a magnetic mount with the magnets built in so as to attach to a variety of ferrous surfaces providing you more wonderful photographic experience. 【Universal Adjustment】With a quick release spanner and a head ball, the quick clip mount is 360 rotatable. So it is easy to adjust your equipment for only 3 seconds to get the positive angle you want. 【Skin-friendly Material】The backpack strap clip is made of PC material and the surface of the magnetic backpack strap clip is covered with rubber which makes your every using experience more enjoyable. 【Compact and Portable】Size 1.8in * 3.8in and weight 4.9oz, the foldable backpack strap mount is designed compact and small, so you can carry with which whenever and wherever you are.  【Compatible】Comes with a hero triple-jaw connector, the magnetic swivel clip is suitable for a wide range of sports cameras and mobile phones. Note: Basic package does not include combo cage and mobile phone holder, please purchase separately. Specifications: Brand: TELESIN Product Name: Universal Backpack Clip(Magnetic) Product Material: 316 Stainless Steel,PC,TPU,Carbon Steel Product Net Weight: 140g/ 4.9oz Product Size: 46.6mm * 98mm/ 1.8in * 3.8in Packing List:  1 * Universal Backpack Clip(Magnetic) 1 * Locking Screw 1 * Manual