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 items. We also sell various lightweight parts and consumables, so please take a look.