Patented Wright Drive design distributes contact over a larger surface area for greater gripping power and strength.
| PART NUMBER | NOM. SIZE | SHAPE | L | DS | DD | BD |
|---|---|---|---|---|---|---|
| 3108 | 1/4" | I | 15/16" | 13/32" | 5/8" | 1/8" |
| 3110 | 5/16" | I | 15/16" | 15/32" | 21/32" | 9/64" |
| 3112 | 3/8" | I | 15/16" | 37/64" | 21/32" | 5/32" |
| 3114 | 7/16" | II | 15/16" | 41/64" | 41/64" | 7/32" |
| 3116 | 1/2" | II | 1" | 23/32" | 23/32" | 17/64" |
| 3118 | 9/16" | II | 1" | 49/64" | 49/64" | 21/64" |
| 3120 | 5/8" | II | 1" | 55/64" | 55/64" | 3/8" |
| 3122 | 11/16" | II | 1" | 15/16" | 15/16" | 3/8" |
| 3124 | 3/4" | II | 1-1/8" | 1" | 1" | 7/16" |
| 3126 | 13/16" | II | 1-1/8" | 1-5/64" | 1-5/64" | 29/64" |
| 3128 | 7/8" | II | 1-9/32" | 1-9/64" | 1-9/64" | 11/16" |
| 3130 | 15/16" | II | 1-3/8" | 1-1/4" | 1-1/4" | 47/64" |
| 3132 | 1" | II | 1-3/8" | 1-5/16" | 1-5/16" | 23/32" |