Material: The hook is made of stainless steel material, which is anti-rust, has a long service life, is resistant to salt water or moisture corrosion, and is not easy to break, scratch and deform. Adjustable - The photovoltaic roof hooks are individually adjustable and can be adjusted to the desired height. Provide solar brackets in an urgent time, and do a good job in the construction and installation of solar panels. SIMPLE AND EASY TO INSTALL - No complicated tools are required for assembly as it comes pre-assembled. For your convenience, photovoltaic roof hooks are readily available to save time. Wide range of uses - the hook is suitable for installing solar photovoltaic module brackets on tile surfaces, suitable for flat roofs, floors, carports, , boats. Photovoltaic roof hooks, without additional rail reinforcement, more waterproof, non-, durable. The product can be adjusted individually to the height of the modules used. Color: Silver Material: stainless steel Package Contents: 1 x Solar Photovoltaic Support Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.