... and quality; Metal stamping part/channel nutchannel nut(M6,M8,M10,M12,1/2",1/4",5/16",3/8"): 1.Material ... .Size:M6*6mm,M8*6mm,M8*8mm,M10*8mm,M10*9.1mm,M12*8mm,M12*9.1mm,M12*11.9mm,1/4",3/8",5 ... competitive price asap. hot dipped galvanized spring nut(M6,M8,M10,M12,1/4",3/8",1/2")