Advantages:
-Good wiper effect.
-Good reistance to chemical and wear resistance.
-Retaining residual oil film.
-Space-saving construction.
-Low cost, economical solution
| ITEM | d | D | L(H) |
| JSDH | 11.2 | 19.2 | 4.5/6 |
| JSDH | 12 | 20.5 | 4.5/6 |
| JSDH | 14 | 22 | 4.5/6 |
| JSDH | 16 | 24 | 4.5/6 |
| JSDH | 18 | 26 | 4.5/6 |
| JSDH | 20 | 28 | 4.5/6 |
| JSDH | 22.4 | 30.4 | 4.5/6 |
| JSDH | 23.5 | 31.5 | 4.5/6 |
| JSDH | 25 | 33 | 4.5/6 |
| JSDH | 28 | 36 | 4.5/6 |
| JSDH | 30 | 38 | 5/6.5 |
| JSDH | 31.5 | 39.5 | 5/6.5 |
| JSDH | 32 | 40 | 5/6.5 |
| JSDH | 35 | 43 | 5/6.5 |
| JSDH | 35.5 | 43.5 | 5/6.5 |
| JSDH | 38 | 46 | 5/6.5 |
| JSDH | 40 | 48 | 5/6.5 |
| JSDH | 45 | 53 | 5/6.5 |
| JSDH | 48 | 56 | 5/6.5 |
| JSDH | 50 | 58 | 5/6.5 |
| JSDH | 53 | 61 | 5/6.5 |
| JSDH | 55 | 63 | 5/6.5 |
| JSDH | 56 | 64 | 5/6.5 |
| JSDH | 58 | 66 | 5/6.5 |
| JSDH | 60 | 68 | 5/6.5 |
| JSDH | 63 | 71 | 5/6.5 |
| JSDH | 65 | 73 | 5/6.5 |
| JSDH | 67 | 75 | 5/6.5 |
| JSDH | 70 | 80 | 6/8 |
| JSDH | 71 | 81 | 6/8 |
| JSDH | 75 | 85 | 6/8 |
| JSDH | 80 | 90 | 6/8 |
| JSDH | 85 | 95 | 6/8 |
| JSDH | 90 | 100 | 6/8 |
| JSDH | 95 | 105 | 6/8 |
| JSDH | 98 | 108 | 6/8 |
| JSDH | 100 | 110 | 6/8 |
| JSDH | 105 | 115 | 6/8 |
| JSDH | 110 | 120 | 6/8 |
| JSDH | 112 | 122 | 6/8 |
| JSDH | 115 | 125 | 6/8 |
| JSDH | 118 | 128 | 6/8 |
| JSDH | 120 | 133 | 7/9.5 |
| JSDH | 125 | 138 | 7/9.5 |
| JSDH | 130 | 143 | 7/9.5 |
| JSDH | 136 | 149 | 7/9.5 |
| JSDH | 140 | 153 | 7/9.5 |
| JSDH | 145 | 158 | 7/9.5 |
| JSDH | 150 | 163 | 7/9.5 |
| JSDH | 160 | 174 | 7/9.5 |
| JSDH | 165 | 179 | 7/9.5 |
| JSDH | 180 | 194 | 7/9.5 |
| JSDH | 200 | 214 | 7/9.5 |
| JSDH | 204 | 218 | 7/9.5 |
| JSDH | 210 | 223 | 7/9.5 |
| JSDH | 212 | 226 | 7/9.5 |
| JSDH | 220 | 233 | 7/9.5 |
| JSDH | 230 | 244 | 7/9.5 |
| JSDH | 250 | 263 | 7/9.5 |