Features: Wide range of applicationHigh strength, good corrosion resistance, can be used in very harsh installation environments, widely used in the installation of rooftop photovoltaic systems of different structures. Strong CompatibilityDifferent models of hooks are suitable for different aluminum alloy rails and C-shaped steel, and the height-adjustable design can meet different types of tile installation. Safe and ReliableStrong load-bearing capacity, wind resistance, earthquake resistance and waterproof, ensuring safety and reliability. Easy installationThe on-site installation process is simple, which effectively improves the efficiency of on-site installation and saves time and labor costs for the installation of photovoltaic support systems. [Use/Application] It is installed on the photovoltaic DC isolation switch to protect the safety of the photovoltaic DC isolation switch. Package Includes: 5x Circuit Breaker Lockout Specifications: Material: stainless steel Installation position: above the switch isolator Wind resistance: 60m/s Snow load: 4KN/m3 Tensile strength: 400Kg Service life: more than 25 years Net weight: 20g Notes: Please allow 1mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.