Lock-bodies & cylinders are solid brass
Hardened steel shackles for 30-60mm
Extra long-time for shackle-electroplating
Double-locking bolts for 30-60mm
All internal pins are brass
with 2 pcs brass keys
| Item No | A | B | C | D | E | G | H | Pins | Wg |
| YY20 | 20 | 20 | 13 | 3.5 | 9.5 | 10.8 | 36.5 | 3 | 38 |
| YY25 | 25 | 25 | 15.5 | 4.2 | 12.2 | 12.8 | 44.7 | 4 | 64 |
| YY30 | 30 | 26.5 | 16 | 5.3 | 14.5 | 14.8 | 47.8 | 4 | 98 |
| YY40 | 40 | 32.5 | 22.2 | 6.3 | 20 | 15.9 | 61 | 5 | 160 |
| YY50 | 50 | 42.5 | 29 | 9 | 25 | 19 | 80.5 | 6 | 338 |
| YY60 | 60 | 51 | 34 | 10 | 30.5 | 21.5 | 95 | 6 | 532 |
