8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 24mm, 27mm, 30mm, 32mm. Gear Lock Profile provides universal use on Hex, Double Hex and T Star profiles. Will fit any 1/2" Dr ratchet, power bar or extension bar.
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