Milwaukee FASTBACK 6-in-1 Folding Utility Knife (48-22-1505)

One-handed press-and-flip opening, all-metal body, wire stripper, folding screwdriver with fold-out 1/4" bit holder, built-in bottle opener, tool-free blade change, extra blade storage.

Repeatedly cited by independent tool-industry coverage as the benchmark/most recognizable knife in this flip-open category — other brands' similar knives are routinely compared against it.