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Technical Parameter
| Model number | Center Height | Center nose | Length of base | Width of base | Overall length | Sleeve range | Width of key | Distance of Screw | Overall height |
| YT-135 | 135 | 4 | 230 | 240 | 320 | 50 | 18 | 200X115 | 210 |
| YT-160 | 160 | 4 | 230 | 240 | 320 | 50 | 18 | 200X115 | 235 |
| YT-185 | 185 | 4 | 230 | 240 | 320 | 50 | 18 | 200×115 | 260 |
| YT-210 | 210 | 4 | 230 | 240 | 320 | 50 | 18 | 200X115 | 285 |