Patented Wright Drive design distributes contact over a larger surface area for greater gripping power and strength
| Part Number | Class | Drive | Nut End Config. | Style | SAE or Metric | Coating | Nut end Nom. Size | Shape / Drawing | Overall Length -L | Nut End Diameter - Ds | Drive End Diameter - Dd | Nut End Depth - Bd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 20-04MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 4mm | I | 22.23 | 7.14 | 11.90 | 4.76 |
| 20-05.5MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 5.5mm | I | 22.23 | 8.33 | 12.70 | 3.97 |
| 20-05MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 5mm | I | 22.23 | 8.73 | 11.90 | 7.14 |
| 20-06MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 6mm | I | 22.23 | 9.92 | 12.70 | 3.97 |
| 20-07MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 7mm | I | 22.23 | 10.41 | 11.23 | 3.97 |
| 20-08MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 8mm | II | 22.23 | 12.7 | 12.70 | 3.97 |
| 20-09MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 9mm | II | 22.23 | 12.45 | 12.45 | 4.36 |
| 20-10MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 10mm | II | 22.23 | 15.08 | 15.08 | 5.95 |
| 20-11MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 11mm | II | 22.23 | 15.88 | 15.88 | 5.95 |
| 20-12MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 12mm | II | 22.23 | 16.67 | 16.67 | 7.14 |
| 20-13MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 13mm | II | 22.23 | 17.46 | 17.46 | 7.54 |
| 20-14MM | Hand | 1/4"Dr | 6 Pt | Standard | Metric | Chrome | 14mm | II | 24.60 | 19.05 | 19.05 | 9.53 |