Description
Made of tough nylon plastic these backs are excellent for marine and outdoor use. Combine with aluminum shells to make a rust proof button. Sold by the gross (144).
| Button Size | Nylon Hook Backs | Aluminum Shells |
| 30 | B30NH | B30SA |
| 36 | B36NH | B36SA |
| 45 | B45NH | B45SA |
| 60 | B60NH | B60SA |
