| Cat. No. | A1008 | A1009 | A1010 | A1011 | A1012 | |
| Old Cat. No | B2201 | B2041 | B2202 | BS.16 | BS.29 | |
| Fig | 1 | 1 | 1 | 2 | 2 | |
| ANSI class | BS small steel | BS large steel | ||||
| Main dimensions (mm) | H | 305 | 352 | 215 | 261 | 369 |
| D | 38 | 41 | 38 | 60 | 51 | |
| h | 140 | 127 | 50 | 46 | 140 | |
| h1 | 74 | 80 | 44 | 41 | 78 | |
| h2 | 44.45 | 44.45 | 44.45 | 47 | 47 | |
| a | 18.29 | 18.29 | 18.29 | 27.78 | 27.78 | |
| d | 20 | 22 | 20 | 22 | 22 | |
| Mechanical strength (kN) | 5 | 5 | 5 | 10 | 10 | |
| Weight（kg） | 1 | 1.2 | 0.75 | 1.5 | 2 | |
