Neewer Camera Slider Support Arm Stabilizer, 2-Pack Adjustable Tripod Stability Arm for Increasing Stability in Aluminum Alloy, Extendable Poles for Camera Video Slider Rail with C Clamps and BallHead 【Increased Stability】 These two camera slider support arms can increase stability when using a slider on a single tripod—no need for a second tripod. Maximum load is up to 7kg/15.5lb 【Extendable Slider Support Arm】 The slider support arm can be adjusted from 23.2”/59cm to 37.8”/96cm in length. Ideal for sliders of various sizes 【Wide Compatibility with C Clamp】 The support arm is attached to your tripod with the C-clamp. The maximum adjustment width of the C-clamp is 2”/5.2cm. The clamp also has non-slip rubber padding to increase friction and prevent scratches on the tripod legs. Compatible with a wide range of tripods with thin or thick tripod legs 【Quick Installation with Ball Heads】 There are two mini-sized ball heads on both ends for easy, time-saving multi-angle mounting 【Easy to Carry】 The adjustment knob is designed to help you quickly adjust the length and securely lock the arm during shooting. The support arm can be stored in a tripod bag (with a storage length of only 23.2”/59cm) so it’s easy to take on your journey