4pack Solar Panel Holder Solar Hook For Solar For Balcony Railing Holder, Solar Mounting Balcony Po Material: the solar panel holder is made of a high-quality 304 stainless steel. High strength, UV resistance, high frequency insulation, resistant to cold, heat and moisture, easy installation and long service life, etc. Practical Design:Mounting rack with existing holes, easy to screw, installation without drilling. The solar panel stand kit comes with the required fixings. Strong applicability: on flat and sloping roofs made of brick panels, bitumen shingles, bricks and standing boards, you can mount solar module made of aluminium to quickly and easily install PV . Wide application: adjustable solar panel mounting bracket for floor-less solar . Great addition for use on boats, motorhomes, roofs, garages, caravans, ships, flat roofs, walls, floors, motorhomes etc. Color: Silver Material: stainless steel Package Contents: 4X Solar Panel Holder Solar Hook 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.