Self-locking block for efficient and convenient hoisting of heavy loads. Movable side plate allows ropes to be attached while still attached to the anchor or harness. Chrome-plated steel cam with directional teeth and self-cleaning grooves to provide grip on icy or wet ropes. Can be used as a regular block.

Technical specification
| Manufacturer: | Petzl |
| Weight: | 295 g |
| Material: | Aluminium, stainless steel, nylon |
| Standards: | CE EN 567, EN 12278, EN 12841, NFPA 2500 Technical Use |
| Lifespan: | >10 years |
| Inspection intervals: | 12 months |
| Max. load: | Pulley: 11.5 kN x 2 = 23 kN Rope clamp: 4 kN |
| Diameter rope: | 8-13 mm |
| Working temperature: | +80°C / -40°C |




