• Made from plastic and aluminum alloy material, great durability and long service life
• Standard 1/4 inch screw adapter, can extend backpack clip/selfie stick/tripod/wrist strap/chest strap and more photography accessories
• The cambered base fits most helmet, and the safe buckle makes shooting worry-free
• Easy to install, compact and portable

Specification:

• Material: plastic, aluminum alloy, sticker
• Base size: 3.6*4.6cm