Helmet Fix Mount Base for FAST Helmet 3-Head Helmet Quick Release Base Adapter for 13 12/ ACTION 5/ 1. Made of PC plastic, it is strong, anti-aging, light and convenient 2. Quick release buckle for quick disassembly and assembly, just push the button to take it out, convenient and fast 3. With corresponding accessories, it can be adjusted 360 degrees 4. Standard base, suitable for most helmets 5. Three-card ball head for tilt adjustment, quick release helmet bracket, can bear 300g, suitable for sports cameras with two card leaves and sports camera accessories, suitable for helmets, suitable for 17mm ball head adapter Specifications: Three-clip pitch and tilt helmet mount Color:Black Material:PC Plastic Package Contents: 1 x Base Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.