I’m excited to share that Milwaukee Tool is growing its lineup of mechanics hand tools with the addition of three new ratchet and socket sets and two new breaker bars. Milwaukee’s lineup of ratchet and socket sets will now include ½” drive in addition to the 3/8” and ¼” drive sets introduced a year ago. I’m excited to share that Milwaukee Tool is growing its lineup of mechanics hand tools with the addition of three new ratchet and socket sets and two new breaker bars. Milwaukee’s lineup of ratchet and socket sets will now include ½” drive in addition to the 3/8” and ¼” drive sets introduced a year ago.