The SME singing arm board is made of aluminum alloy material with stainless steel screws with a thickness of 15mm and an outer diameter of 130mm. The outer ring groove is 4.75mm. The SME singing arm is made of aluminum alloy material and precision machined according to the original sample size. The board design is clever and reasonable, suitable for the installation of SME3009 and 3010R singing arms. It can be selected and installed through two sets of installation screw holes on the arm board.
Inner space 45/70mm