Advantages:
-Good wiper effect.
-Good reistance to chemical and wear resistance.
-Retaining residual oil film.
-Space-saving construction.
-Low cost, economical solution
-Firm fit in the froove due to metallic press fit.
| ITEM | ID | OD | H |
| JSDLI | 40 | 50 | 4 |
| JSDLI | 45 | 55 | 4 |
| JSDLI | 50 | 62 | 7 |
| JSDLI | 50 | 64 | 8 |
| JSDLI | 60 | 74 | 8 |
| JSDLI | 70 | 85 | 4 |
| JSDLI | 70 | 85 | 6 |
| JSDLI | 70 | 85 | 8 |
| JSDLI | 70 | 84 | 8 |
| JSDLI | 80 | 95 | 4 |
| JSDLI | 80 | 95 | 6 |
| JSDLI | 80 | 95 | 8 |
| JSDLI | 80 | 95 | 10 |
| JSDLI | 90 | 105 | 4 |
| JSDLI | 90 | 105 | 6 |
| JSDLI | 90 | 105 | 8 |
| JSDLI | 90 | 106 | 8 |
| JSDLI | 90 | 104 | 8 |
| JSDLI | 95 | 110 | 8 |
| JSDLI | 100 | 115 | 4 |
| JSDLI | 100 | 115 | 6 |
| JSDLI | 100 | 115 | 8 |
| JSDLI | 110 | 125 | 8 |