Specifications
Grade 100:
| Size (in) | Size (mm) | G10 BK RT Hooks | Replacement Trigger | GJC Part Number |
|---|---|---|---|---|
| 7/32" | 6 | BK-6-10 BKL-6-10 BKLK-6-10 BKH-6-10 | Z100282 | 590140 |
| 9/32" | 7 | BKG-7-10 | Z100283 | 590142 |
| 5/16" | 7/8 | BK-7/8-10 BKL-7/8-10 BKLK-7/8-10 BKH-7/8-10 | Z100283 | 590142 |
| 5/16" | 8 | BKG-8-10 | Z100283 | 590142 |
| 3/8" | 10 | BK-10-10 BKG-10-10 BKL-10-10 BKLK-10-10 | Z100284 | 590144 |
| 1/2" | 13 | BK-13-10 BKG-13-10 BKL-13-10 BKLK-13-10 | Z100285 | 590145 |
| 5/8" | 16 | BK-16-10 BKG-16-10 BKL-16-10 BKLK-16-10 | Z100286 | 590146 |
| 3/4" | 20 | BK-18/20-10 BKG-20-10 BKL-18/20-10 BKLK-18/20-10 | Z100297 | 590147 |
Grade 80:
| Size (in) | Size (mm) | G8 BK Non RT Hook | Replacement Trigger | GJC Part Number |
|---|---|---|---|---|
| 7/32" | 6 | BK-6-8 BKL-6-8 BKLK-6-8 BKH-6-8 BKT-6-8 | Z100282 | 590140 |
| 9/32" | 7 | N/A | ||
| 5/16" | '7/8 | BK-7/8-8 BKG-7/8-8 BKL-7/8-8 BKLK-7/8-8 BKH-7/8-8 BKT-7/8-8 | Z100283 | 590142 |
| 5/16" | '8 | N/A | ||
| 3/8" | 10 | BK-10-8 BKG-10-8 BKL-10-8 BKLK-10-8 BKT-10-8 BKB-10-8 | Z100284 | 590144 |
| 1/2" | 13 | BK-13-8 BKG-13-8 BKL-13-8 BKLK-13-8 BKT-13-8 | Z100285 | 590145 |
| 5/8" | 16 | BK-16-8 BKG-16-8 BKL-16-8 BKLK-16-8 BKT-16-8 | Z100286 * | 590146 |
| 3/4" | 20 | BK-18/20-8 BKG-19/20-8 BKL-18/20-8 BKLK-18/20-8 | Z100297 | 590147 |
| 7/8" | 22 | BK-22-8 | Z100287 | 589373 |
| 1" | 26 | BK-26-8 | Z100280 | 589374 |
| 1 1/8" | 28 | BK-28-8 | Z100292 | 589375 |
*Gunnebo Johnson Corp. Part# 590146 cannot be used to repair BK, BKL, & BKLK-16-8 hooks produced before January 1, 2000. Spare parts are no longer available for these hooks.