The jump from 12 mm to 25 mm is where most people grab the wrong adapter and end up with a stripped thread or a weeping seal. This joiner handles that step-up in one piece, no second coupling in the chain. Jaycar TPG420. RRP $10.82
| brand | JAYCAR |
| sku | TPG420 |
| thread_type | BSP male to male |
| size_one | ½" (12 mm) |
| size_two | 1" (25 mm) |
| category | Electronics & Components |
| subcategory | Automotive & Outdoor Electronics |
| rrp | $10.82 |