Descending Life n>
a stubborn period: It is a device that automatically descends according to the user's weight by hanging it on the recort in case of a fire or emergency.
specification- Type completely 21-1- Belt and rope tensile strength 900-1,000 kg- Maximum working load 150 kg- Maximum of 1 user- Falling speed 16cm/s to 150cm/s
nameLayeredlengthweight
| HKDD-2 | 2F | 6 | 5.80 |
| HKDD-3 | 3F | 9 | 6.02 |
| HKDD-4 | 4F | 12 | 6.24 |
| HKDD-5 | 5F | 15 | 6.46 |
| HKDD-6 | 6F | 18 | 6.68 |
| HKDD-7 | 7F | 21 | 6.90 |
| HKDD-8 | 8F | 24 | 7.12 |
| HKDD-9 | 9F | 27 | 7.34 |
| HKDD-10 | 10F | 30 | 7.56 |
| HKDD-11 | 11F | 33 | 7.78 |
| HKDD-12 | 12F | 36 | 8.00 |
| HKDD-13 | 13F | 39 | 8.22 |
| HKDD-14 | 14F | 42 | 8.44 |
| HKDD-15 | 15F | 45 | 8.66 |
