The Micro Clamp from Impact is a handy accessory that can be used in a myriad of ways around the studio or on location. Lightweight and sturdy, it can clamp onto tubes with a maximum diameter of 1.38" (35 mm) and has a load capacity of 2.2 lbs (1.0kg). It features a 5/8" (16 mm) socket at its base. Optional accessories include Impact's CA100 Double Ended Spigot with 1/4"-20 and many other adapters and spigots.