... rail-channel fastenersfor the rail struct 41*41 size M8*40,M8*50,plate size:34.5*19*6M10*30M10 ... *40,M10*50,M10*60,M12*60,plate size:34.5* ... into the slot of Channel Support sections 38/24, 38/40, 39/52, 40/60Lateral adjustment at any time, allows perfect alignment of ...