Feature 1 Made of plastic, this will be lightweight to take 2 Can mount your camera firmly on the bicycle handlebar, the stability will be not influenced even riding on the bumpy road 3 Can mount camera on bicycle handlebar, bumper, ski pole, walking stick and any other bar with diameter range of 1.69-3.5cm 4 Compatible for gopro hero 3, hero 2, HD hero camera 5 Easy to install and remove, can save you a lot of time A camera screw mount holder can help you use your camera record good memory when riding. Our screw mount holder can mount your camera firmly on the bicycle handlebar, the stability will be not influenced even riding on the bumpy road. It can mount camera on bicycle handlebar, bumper, ski pole, walking stick and any other bar with diameter range of 1.69-3.5cm. Features: Made of plastic, this will be lightweight to take. Can mount your camera firmly on the bicycle handlebar, the stability will be not influenced even riding on the bumpy road. Can mount camera on bicycle handlebar, bumper, ski pole, walking stick and any other bar with diameter range of 1.69-3.5cm. Can help you record good memory with your camera when riding. Compatible for gopro hero 3, hero 2, HD hero camera. Easy to install and remove, can save you a lot of time. Specifications: Product Name: Screw Mount Holder Compatible With: For Gopro Hero 4/3+/3/2/1 Material: Plastic Color: Black Size: 9.1 * 6.5cm / 3.6 * 2.6inch Weight: Approx. 55g Package Included: 1 x Screw Mount Holder Please Note: Please allow 1-3mm error due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please in kind prevail.