This is a set of 4 bolts for fixing a bottle cage. If you would like a different color, please leave a comment. M5 bolts, made of aluminum, 4 pieces, 4.6g total Total length 20mm, threaded portion 15.5mm We also handle other color parts. If you are interested in anything, please comment. Shipping costs can be discounted if purchased with other products. We also sell various lightweight parts and consumables, so please take a look.