Features: [Wide range of application] With high strength and good corrosion resistance, it can be used in very harsh installation environments, and is widely used in the installation of rooftop photovoltaic systems of different structures. [Strong compatibility] Different types of hooks are for different aluminum alloy rails and C-shaped steels, and the height-adjustable design can meet different types of tile installations. [Safe and Reliable] Strong load-bearing capacity, wind resistance, earthquake resistance, waterproof, to ensure safety and reliability. [Easy installation] The on-site installation process is simple, which effectively improves the on-site installation efficiency and saves for time and labor costs for the photovoltaic support system installation project. [Usage/Application] Installed on the photovoltaic for DC isolation switch, it plays a role in the safety for protection of the photovoltaic for DC isolation switch. Package Includes: 5x Circuit Breaker Lockout Specifications: Material:Stainless Steel Installation location: above the switch isolator Wind resistance: 60m/s Snow load: 4KN/m3 Tensile-resistance: 400Kg Service life: more than 25 years Net Weight:20g note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.