Gerber’s Shard Multi-Tool may be thumb-sized, but it packs seven functions in one, all for $4.33, today only. With a shape of its own, the Shard has seven useful functions: small flat driver, medium flat driver, cross driver, pry bar, wire stripper, lanyard hole, and bottle opener. It is light enough to carry on your keychain, but tough and durable enough for everyday use. Product page. Continue reading for another video review and more information.