Simple, practical, beautiful. What more do you want from these ferrules? That they won't rust? We've already seen to that, these ferrules are electro-galvanised. No need for special tools, a simple pair of pincers will let you create a strong loop at the end of your shock cord, elastic cable, rope, etc. At the size you want!   100 piece pack, available for 6mm, 8mm, 10 mm and 12mm diameters.