2.3" inches Aluminum YS-adaptor arm with standard ball size 1" is the shortest YS arm mount for underwater lights and strobes . designed for all lights and strobes with YS mount or dive light holders .
the arm is made of 6061 aluminum machined by CNC with polished treatment on the surface. effective length of the arm is 2.3"(58MM) ,feature with lightweight (45G in air and 29 g under the water .
Full Length : 2.8"
Effecitve Length: 2.3"
Weight: 45 g