| REGULAR SPRING | |
 |
Regular type Easy on films and hands Blue resin coating on both ends |
| HIGH GRADE SPRING | |
 |
Rust resistant Black resin coating on both ends |
| STAINLESS SPRING | |
 |
Rust free Blue resin coating on both ends |
| HIFUKU SPRING | |
 |
Black resin covering |
| HIFUKU SPRING STRONG | |
 |
Suitable for securing multiple-layers of films Blue resin covering |