Constructed from strudy yet lightweight aluminum alloy, this Kupo Mini Viser Clamp features a 5/8”(16mm) baby stud instead of 3/8”(10mm) shaft for connecting with lightweight lighting fixtures and any accessories with 5/8ʼʼ (16mm) baby receiver. Meanwhile, a 1/4ʼʼ-20 threaded female is design for fitting into variety of lighting and video accessories. Jaws are constructed with alloy die-cast aluminum and mechanically interlocked with the rubber pad which gives superior weather resistance for locking it securely and gives maximum gripping range up to 2" (51mm).