New size # 3 is added to the press ring. Ideal for SLJ! A seamless punching ring ideal for jigging. SUS304, which is a stainless steel material, is pressed and the surface treatment is polished for a long time to achieve the same smoothness as a welding ring. A tough ring that boasts the strongest strength.
| Model |
Size (strength) | Qty |
| 74-PR | 3(83LB） | 12 |
| 4(110LB) | 10 | |
| 5（155LB） | 9 | |
| 6（320LB） | ||
| 7（440LB） | 8 | |
| 8（770LB） |