Patented Wright Drive distributes contact over a larger surface area for greater gripping power and strength.
| Part Number | Class | Drive | Nut End Config. | Style | SAE or Metric | Special | Finish | Surface | Nut end Nom. Size | Shape / Drawing | Overall Length -L | Nut End Diameter - DS | Drive End Diameter - DD | Nut End Depth - BD |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3590 | Hand | 3/8"Dr | 6 Pt | Standard | SAE | Spark Plug | Chrome | 5/8" | I | 2-1/2" | 7/8" | 3/4" Hex | 1-15/32" | |
| 3596 | Hand | 3/8"Dr | 6 Pt | Standard | SAE | Spark Plug | Chrome | 13/16" | I | 2-5/8" | 1-1/16" | 7/8" Hex | 1-21/32" |