Wind resistance: 60 m/s Snow load: 1.4kN/m2 Tension resistance: 400kg The stainless steel roof hook can be used for 25~30 years in normal environment. For all kinds of tile, color steel tile roof solar photovoltaic module bracket connection installation. High durability: The product material is high-quality 304 stainless steel, after shot blasting surface treatment, the metal surface is not easy to be oxidized, delaying the corrosion rate of metal. Easy installation: (1) Can be installed from any position of the aluminum alloy extrusion guide. (2) Flexible installation, bolt connection, no drilling and welding, fast and time-saving. Wide applicability: (1) A wide of solar roof photovoltaic bracket hooks to meet the needs of different roof structures. (2) Applicable to all kinds of general framed solar panels in the market now installed on all types of roofs. (3) The hook length and position can be adjusted to suit tiles. (4) Installation does not require penetration of the tile surface, good waterproof performance, to the beauty of the roof Colour:As Shown Material:aluminum alloy Package Contents: 1set x Upright locking edge Solar PV roof hooks 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.