Martin Tool SC40 1/2″ Drive 1-1/4″ 12-Point Flare Nut Crowfoot Wrench
SC40 1-1/4 1-53/64 29/32 59/32 1-15/64 0.19 1-1/4. These wrenches are available in drive sizes of 3/8” and ½”, in 12 point Flare-Nut openings in fractional sizes. 1/2″ Drive Crowfoot Wrench — Flare Nut 12 Pt.