Description : Made of high quality material , durable for long time use . These bolts are the standard bolt size used in the vast majority of greenhouses . This is a good replacement when the part is damaged . Crafted from premium metal , it is precision , sturdy , hard . With enough bolts and nuts , for a long time service . Material : Aluminium Alloy Size : 1 x 1 x 1 . 5cm / 0 . 39 x 0 . 39 x 0 . 59in 12mm Thread Length M6 Nuts Package Includes : 10-50pcs Bolts 10-50pcs Nuts （According to your Choice）.
