Detailed Product Description 1)IFI noyln lock nut2)size:1/4 1/2,3/8,5/16, ... packing,small boxes,pocket,as your requiremen 4)DIN 985 LOCK NUT5)SIZE:M3-M206)OTHER:OUR FACTORY CAN OUTPUT DIFFERENT ... )standard:DIN 934,936,555,439,6915,6923,B1181-1961 JIS,B1181 JIS,UNI5587,IFID-6,D-8,D-14,ISO4032,4033 ...