Features:
The J Hook is 360 degree rotary, the direction and the camera stand angle can be adjusted to your needs.    
The Strap mount is velcro design, simple structure and durable material, easy and convenient to install and release    
Strong bearing capacity: the maximum load of the strap mount up to 2kg which can hold to most action camera and even SLR camera (Advised no more than 1.5kg for safety)    
You can use the strap mount when hiking, cycling, skiing, climbing, ect.fully free your hands to get the wonderful shooting.    
Wide compatibility : Fits for GoPro Hero 6, Hero5, Hero 4, Hero 3+ 3 Hero2, Hero Session Action Cameras, SJCAM EKEN  and other action cameraas well as  SLR camera  
 
Specifications of the Strap Mount:
Stretched Dimensions: 220x120mm/8.66x4.72in
Folded Dimensions:120x80mm/4.72x3.2 in
Net Weight : 54g/0.12lb
Max Load:2kg/4.4lb(Suggest no more than 1.5kg/3.3lb）
Material:  POM PVC Plastic & Polyester Fabric
Color: Black
Apply for GoPro Hero 6 5 4 3 3+ 2 SJCAM Xiaomi Yi EKEN SLR Camera etc
Specifications of Rotary J hook :
Material: Plastic
Extened Length: 15mm
Weight: 30g

What's included:
Shoulder Strap Only:
1 x Strap mount (J Hook buckle is not included)
Kit with Rotary J hook:
1 x Strap Mount
1 x 360 Degree Rotate J-Hood Buckle
1 x Long Screw