Multifunction tool series leatherman juice leatherman medium mt functions 18 tools blade awl can opener wire cutter needle nose pliers multi pliers metal file file bottle opener corkscrew saw scissors convenience features lanyard hole material stainless steel blade steel 420hc blades drop point clip point serrated screwdrivers slotted small slotted medium slotted big blade length 66 cm length closed 825 cm weight 190 g manufacturers warranty