The Leatherman Super Tool 300 Multi-Tool features stainless steel construction, a black oxide finish, and a set of 19 locking tools that includes: two 3.2" 420HC straight/serrated locking blades, two sets of pliers, four screwdrivers, two sets of replaceable 154CM regular/hard-wire cutters, and a stranded wire cutter. Additionally, there's a general-purpose push/pull saw, wood/metal file, 9" ruler, as well as a bottle/can opener. The handle features cutouts for simplified tool access and a lanyard ring at the open end.

The black MOLLE (Modular Lightweight Load-carrying Equipment) sheath is manufactured from nylon and features webbing with a snap closure on the rear, and a touch-fastened front flap. This Super Tool 300 features clamshell packaging, and it's assembled in the USA.