Easy and Secure to use: The ergonomic locking handle controls the jaw opening range, it allows you to tighten the super clamp with stud quite easily
Standard 5/8" Spigot: Features a 1/4" and 3/8" threaded 5/8 inch stud designed to hold cameras, various studio lights, flashlights, LED lights, softboxes, hooks, shelving, plate glass, and crossbars.
Clamp on round or flat surface: Securely attaches to round items 0.5" - 2.1" / 1.27 - 5.3 cm in diameter, with supplied wedge insert the super clamp is also perfect for clamping onto flat desk up to 1.6" / 4 cm
Big and Strong: Net weight of the photography clamp is 1.21 lbs / 0.55 kg, it can supports up to 33lbs / 15 kg load capacity
Metal construction: Solid Die-cast Aluminum Alloy Material, makes this superclamp quite strong and sturdy