CHASING Robot Arm is small and easy to install. The maximum drag force is 12 kg and the force is adjustable. It is suitable for multiple uses such as sampling detection.3kg Clamping Force, 12kg Drag ForceWith maximum 3kg clamping force and 12kg drag force, the grabber claw can easily complete underwater operations. Adjust different forces on the App to avoid damage to the clamped items.Smooth Experience and Powerful FunctionsWith a 120mm opening and closing distance and a 2.8-second single opening and closing time, the grabber claw operates smoothly and can grab a variety of items.10 Degree Elevation Angle on Holder, Improving the Vision IntergrityThe holder increases the angle between the grabber claw and the underwater drone by 10 Degree , avoiding the obstruction of the view and enhancing the experience of the operation effectively.Aluminum Alloy Material, Compact SizeAluminum alloy material, using 4-core watertight connector of underwater drone, length 460mm, diameter 33.5mm, compact and portable.