M10-1.5 Brass Hex Jam / Thin / Half Nut M10x1.5 Nut 10mm x 1.5 Nuts
Jam / Thin / Half Thick Nuts. Hex / Wrench Size: 17mm. Nut Specs Nut Height / Thickness:4.9mm. NOT previously rejected for quality issues or rescued from a scrap yard. It is a lot easier to resolve problems one on one.