Description: Using environmentally friendly materials and stainless steel, ball head rotation flexible, knob lock. U-bottom design, suitable for more models, easy to install. Can be fixed in the diameter of 0.8CM-3.6cm between the leading handle and rod above. Suitable for motorcycles, bicycles, electric cars and so on. Suit for GoPro Hero 4/3+/3/2 Mini Camera Mini DV. Specification: Material: plastic+metal Snap hole adjustment range: 0.8-3.6CM Package Includes: 1 Piecex Bike Handlebar Mount