Material: Aluminium<br />Weight: 43g<br />Color:Black<br />Size: Approx. (LxW) 45X45 mm<br />Tube Dia: Approx. 14-22mm 12-20mm<br />Ring Dia: Approx.17-20mm<br />（Size 1 to 2 mm error）<br /><br />Package Content：<br />1 x Scope Mount Holder<br />1 x Wrenc