Patented Wright Drive design distributes contact over a larger surface area for greater gripping power and strength. Oiled Black Oxide finish
| PART NUMBER | NOM. SIZE | SHAPE | L | DS | DD | BD |
|---|---|---|---|---|---|---|
| 4964 | 7/16" | I | 3-1/4" | 47/64" | 15/16" | 7/32" |
| 4966 | 1/2" | I | 3-1/4" | 13/16" | 15/16" | 17/64" |
| 4968 | 9/16" | II | 3-1/4" | 15/16" | 15/16" | 21/64" |
| 4970 | 5/8" | II | 3-1/4" | 1" | 1" | 3/8" |
| 4972 | 11/16" | II | 3-1/4" | 1-1/16" | 1-1/16" | 3/8" |
| 4974 | 3/4" | II | 3-1/4" | 1-5/32" | 1-5/32" | 2-1/2" |
| 4976 | 13/16" | II | 3-1/4" | 1-15/64" | 1-15/64" | 2-1/2" |
| 4978 | 7/8" | II | 3-1/4" | 1-5/16" | 1-5/16" | 2-3/4" |
| 4980 | 15/16" | II | 3-1/4" | 1-3/8" | 1-3/8" | 2-27/32" |
| 4982 | 1" | II | 3-1/2" | 1-7/16" | 1-7/16" | 2-45/64" |
| 4984 | 1-1/16" | III | 3-1/2" | 1-1/2" | 1-3/8" | 2-21/32" |
| 4986 | 1-1/8" | III | 3-1/2" | 1-5/8" | 1-3/8" | 2-5/8" |
| 4988 | 1-3/16" | III | 3-1/2" | 1-3/4" | 1-3/8" | 2-19/32" |
| 4990A | 1-1/4" | III | 3-1/2" | 1-3/4" | 1-3/8" | 2-19/32" |
| 4992 | 1-5/16" | III | 3-5/8" | 2-1/64" | 1-3/8" | 2-9/16" |
| 4994 | 1-3/8" | III | 3-5/8" | 2-1/16" | 1-17/32" | 2-35/64" |
| 4996 | 1-7/16" | III | 3-5/8" | 2-5/32" | 1-17/32" | 2-17/32" |
| 4998 | 1-1/2" | III | 3-5/8" | 2-15/64" | 1-17/32" | 2-1/2" |