Type1:
Material: Metal and Plastics
Color: Black
Attach your camera to handlebars・ seatposts・ ski poles and more
Fits 0.6-1.6 inch (1.5-4cm) diameter tubes
Compatible with: For Gopro Hero 3
Can also clamp to chainstays・ small roll bars・ bolt-heads・ windsurfing and kitesurfing control bars・ or even use to create a handheld boom
Package Content: 1 x Bicycle Handlebar

Type 2:
Quantity: Pack of 2
Long Size: 5 x 1.5 x 1cm/ 2.0 x 0.6 x 0.4inch (L x W x H)
Short Size: 3.5 x 1.5 x 1cm/ 1.4 x 0.6 x 0.4inch (L x W x H)
Hole Diameter: 0.5cm/ 0.2inch
Item: Long/ Short Straight Joint Adapter Mount Set
Fit For: for GoPro hero2 hero3/3+
Package Content: 2 x Camera Straight Joint Adapter Mount Set (Long/short)

Type 3:
Package content: 1 x Mini Tripod Adapter
Weight: Approx. 11g / 0.4oz
Compatible Brand: for GoPro
Compatible with GoPro hero 4/3+/3/2 camera
Built in 1/4'' copper thread.
Easy to install
High quality and durable in use
The portable Tripod Adapter can ensure your GoPro mounts work with other band cameras that support standard 1/4'' thread.

Type 4:
Dimensions: 3 x 3cm/1.2 x 1.2inch
Compatible with: Gopro Hero 1/ Hero 2/ Hero 3 / Hero 4
Excellent quality and well crafted.
It connects your Gopro camera to your Mono-pod or Tripod fast.
Package Content: 1 x Tripod Monopod Mount Adapter