Petzl ID S Self-braking descender with anti-panic function for work at height and rope access - Model: Petzl ID S - Maximum working load: 250 kg - Color: Yellow - Features: Auto-lock function - Compatible rope diameter: 8.9-11 mm Thank you for viewing. It has been used for about 3 years, but it has never been subjected to impact loads. Although there are minor scratches, there is no damage related to the function, and it can be used without any problems.