Original Entex Specification:
| Stock Code | Free Length (in) | Rate Lb/in | To Work In - Hole Size (in) | To Work Over - Rod Size (in) | Load When Solid Lb/in | Solid Length (in) | More Details |
|---|---|---|---|---|---|---|---|
| 400 | 1 | 480 | 0.75 | 0.375 | 180 | 0.752 | View Product |
| 402 | 2 | 220 | 0.75 | 0.375 | 800 | 1.24 | View Product |
| 403 | 2.5 | 180 | 0.75 | 0.375 | 180 | 1.6 | View Product |
| 405 | 2 | 360 | 1 | 0.5 | 300 | 1.22 | View Product |
| 408 | 1.5 | 800 | 1.25 | 0.625 | 400 | 1.08 | View Product |
| 409 | 2 | 560 | 1.25 | 0.625 | 400 | 1.32 | View Product |
| 411 | 3 | 360 | 1.25 | 0.625 | 400 | 2 | View Product |
| 412 | 3.5 | 320 | 1.25 | 0.625 | 400 | 2.32 | View Product |
| 413 | 4 | 280 | 1.25 | 0.625 | 400 | 2.6 | View Product |
| 414 | 4.5 | 260 | 1.25 | 0.625 | 400 | 2.95 | View Product |
| 415 | 5 | 220 | 1.25 | 0.625 | 400 | 3.15 | View Product |
| 416 | 5.5 | 200 | 1.25 | 0.625 | 400 | 3.39 | View Product |
| 417 | 6 | 180 | 1.25 | 0.625 | 400 | 3.66 | View Product |
| 418 | 1.5 | 1040 | 1.5 | 0.75 | 425 | 1.1 | View Product |
| 421 | 3 | 520 | 1.5 | 0.75 | 600 | 1.85 | View Product |
| 422 | 3.5 | 420 | 1.5 | 0.75 | 510 | 2.1 | View Product |
| 424 | 4.5 | 340 | 1.5 | 0.75 | 600 | 2.6 | View Product |
| 425 | 5 | 300 | 1.5 | 0.75 | 600 | 2.8 | View Product |
| 426 | 5.5 | 280 | 1.5 | 0.75 | 600 | 3.17 | View Product |
| 428 | 2 | 980 | 2 | 1 | 800 | 1.36 | View Product |
| 430 | 4 | 460 | 2 | 1 | 800 | 2.38 | View Product |
| 431 | 5 | 380 | 2 | 1 | 800 | 2.91 | View Product |