Patented Wright Drive design distributes contact over a larger surface area for greater gripping power and strength.
| Part Number | Box End Configuration | SAE or Metric | Stem Type | Coating | Surface | Coating6 | Nom. Size | Overall Length | 1st Box End Diameter A | 1st Box End Thickness C | 2nd Box End Diameter B | 2nd Box End Thickness D |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 50810MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 8mm x 10mm | 16.38 | 6.1 | 14.1 | 5.59 | |
| 51011MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 10mm x 11mm | 18.03 | 8.51 | 16.51 | 7.87 | |
| 51113MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 11mm x 13mm | 20.57 | 8.89 | 18.03 | 8.51 | |
| 51213MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 12mm x 13mm | 22.61 | 9.14 | 20.45 | 8.89 | |
| 51214MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 12mm x 14mm | 23.88 | 9.14 | 20.83 | 8.89 | |
| 51315MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 13mm x 15mm | 25.4 | 9.65 | 22.48 | 9.14 | |
| 51415MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 14mm x 15mm | 25.4 | 9.65 | 23.88 | 9.14 | |
| 51618MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 16mm x 18mm | 28.7 | 11.94 | 26.42 | 10.92 | |
| 51719MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 17mm x 19mm | 30.73 | 12.45 | 28.7 | 12.19 | |
| 51922MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 19mm x 22mm | 34.42 | 13.72 | 29.34 | 12.45 | |
| 52224MM | 12 Pt | Metric | Double Offset | Chrome | Satin | Chrome | 22mm x 24mm | 36.83 | 14.22 | 34.42 | 13.72 |