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 | d | D | L(H) |
| JSDKBI | 40 | 52 | 7/10 |
| JSDKBI | 45 | 57 | 7/10 |
| JSDKBI | 50 | 62 | 7/10 |
| JSDKBI | 55 | 69 | 8/11 |
| JSDKBI | 60 | 74 | 8/11 |
| JSDKBI | 65 | 79 | 8/11 |
| JSDKBI | 70 | 84 | 8/11 |
| JSDKBI | 75 | 89 | 8/11 |
| JSDKBI | 80 | 94 | 8/11 |
| JSDKBI | 85 | 99 | 8/11 |
| JSDKBI | 90 | 104 | 8/11 |
| JSDKBI | 95 | 109 | 8/11 |
| JSDKBI | 100 | 114 | 8/11 |
| JSDKBI | 105 | 121 | 9/12 |
| JSDKBI | 110 | 126 | 9/12 |
| JSDKBI | 115 | 131 | 9/12 |
| JSDKBI | 120 | 136 | 9/12 |
| JSDKBI | 130 | 145 | 9/12 |
