Park Tool MT-20 Multi ToolThe Park Tool MT-20 Multi Tool features a reinforced composite outer shell with forged aluminum side plates with hardened and plated tools for longevity. There are 3, 4, 5, and 8mm hex wrenches, a T25 Torx compatible driver, a CO2 Adapter, and a combination cross/straight tip screwdriver. There is a key ring holder. Weighs only 95 grams.763477003911