The park tool mt 40 multi tool is a high quality folding take along tool that features forged aluminum side plates a mix of hardened and plated tools and smooth ergonomic operation park tool mt 40 multi tool features the mt 40 is a high quality folding take along tool features forged aluminum side plates hardened and plated tools smooth ergonomic operation 25 3 4 5 6 and 8mm hex wrenches t25 amp t30 torxreg compatible driver combo crossstraight tip screwdriver co2 c