1, Expansion bolt , 2, Size:M6x50/M8*60mm 3, Color:Yellow zinc plated 4, Weight:34g/66g Expansion bolt , we are professional in this field so that let us suppy the best price and quality to you .Code:EB0021, Size:M6x50/M8*60mm2, Material:steel3, Color:Yellow zinc plated4, Weight:34g/66g We have many sizes , wecome your kindly inquiry for the exact size . Expansion bolt