Features:Quick-released magnetic metal base, suitable for Hero 11 10 9 8/Action 2/360 OneX2 action cameras. Four M2-screws are included, which can replace the camera base to realize quick installation and quick removal. Universal 1/4-inch screw hole, card base with 1/4 ARRI positioning hole, double-leaf card slot, which can connect camera, rabbit cage, tripods, self-timer, bicycles clip and others. With anti-skid anti-loose rubber pad, it can protect the camera from loosening, scratching and slipping. With L-type dual-purpose wrench, slotted-screwdriver and cross-screwdriver, convenient for disassembly and assembly. Specifications:Material: Aluminium-alloySize: about 3.9x2.1cm/1.53x0.82inchApplicable Models: for Hero 11 10 9 8/Action 2/360 OneX2 Action Cameras Note:Please allow 0-1cm error due to manual measurement.Please allow for slight color difference due to different monitor resolution. Package includes:1x Magnetic Base4x M2-Screws1x L-Type Wrench1x Slotted Screwdriver1x Cross-screwdriver