[For Flat Surfaces and Round Rods] Super clamp grips items with a diameter of 0.6"-2.4"/14-60mm, perfect for flat surfaces like desks and stands, cylindrical items like selfie sticks, light/microphone stands, shoulder rigs, and bicycle/motorcycle handlebars, and more, and also compatible with DJI Ronin-M Ronin MX Freefly Movi 25mm and 30mm gimbal stabilizer rods. The ST83 kit can mount a mobile phone, action camera, webcam, backdrop, or other photography and video equipment and accessories. [Flexible Angle Adjustment] The two 360° rotatable ball heads on the 3"/7.62cm long micro arm can be adjusted to any angle for optimal shooting and video capture flexibility. The knob screw on this motorcycle handlebar phone and camera mount allows for quick and easy attachment of the ball heads. [Camera and Phone Photography] Clamp your smartphone (2.2-3.3"/55-85mm in width) with the phone holder, or mount your action camera with included adapters and accessories. The ST83 accessory kit for bicycle/motorcycle is compatible with iPhone 15 Pro Max, iPhone 14 13 Plus, compatible with Samsung Galaxy S22 S23 S24 Ultra, compatible with GoPro Hero 12, Go Pro Hero 11 10 9 8 7 Black, compatible with DJI Osmo Action 4 3, compatible with Insta360 X3 X4 Insta 360 Ace Pro, compatible with Mevo Start, etc. [Multiple Mounting Points] With 1/4" threads, ARRI locating points, and a built-in cold shoe mount, the super clamp and micro arm with ball head can connect many accessories like a monitor, shoulder rig, and camera cage. The cold shoe mount for LED fill lights, microphones, and more (the maximum payload is 6.6lb/3.0kg. Not suitable for camera flashes). [High Strength and Scratch-Resistant] Aluminum alloy and stainless steel hybrid material with precise CNC machining makes this phone and camera equipment robust. Anti-slip rubber pads on the clamp and device mounting plate can increase stability and protect your equipment from scratches. Compatible with SmallRig magic arms, compatible with Manfrotto magic arms via 1/4" threaded holes.