Large, easy to turn using extra leverage for simple and precise adjustments. Aluminum Cross Clip is very suitable for stabilizing devices that do not require special support, excellent iron clamps fixtures, clamping accessories commonly used in the lab A set of clamps 5 adjustable boss head, aluminum alloy body right angle clamps Lab pending clamp stand is made of aluminum and is very light, with screws for fixing the clamp on the support rod The clamp holder is used for Clamping nuts holding clips in laboratories and research institutes