Compact, strong and versatile, grips a tube with diamter from 0.5 to 1.37" (13-35mm) and includes a 1/4" and 3/8" thread for mounting your Rotolight, arm, stud or other accessory. Load Capacity up to 4kg (8.8 lbs). 

Features:

-1/4" and 3/8 Female Mounting threads.
-Pull lock aluminium handle