Specification Brand : Estink BulletPoint1 : [GOOD LOAD BEARING CAPACITY] This screw has a strong load bearing capacity, ensuring safety and reliability in windy, earthquake-prone, and waterproof conditions. BulletPoint2 : [4PCS SET] Each package contains 4 mounting screws, providing sufficient quantity for solar panel mounting bracket fixing needs. BulletPoint3 : [COMPACT AND SMALL] With a compact shape and high mechanical strength, this screw greatly facilitates the assembly of connectors during outdoor installations. BulletPoint4 : [ STAINLESS STEEL] Made of stainless steel, these screws are hard, wear-resistant, and have clear threads, ensuring a long service life. BulletPoint5 : [EASY INSTALLATION] The easy on-site installation process of this racking accessory improves installation efficiency, saving time and labor costs for PV system installation projects. ExteriorFinish : Stainless Steel ItemName : 4PCS Stainless Steel Photovoltaic Double Head Screw for PV Bracket Installation ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 25 centimeters ItemPackageDimensions_Width : 9 centimeters ItemTypeKeyword : strap-clamps Manufacturer : Estink Material : Stainless Steel ModelName : GOTOTOPepfcdatk59 ModelNumber : Estinkh9oegwbkad NumberOfItems : 1 PartNumber : Estinkh9oegwbkad ProductDescription : [GOOD LOAD BEARING CAPACITY] This screw has a strong load bearing capacity, ensuring safety and reliability in windy, earthquake-prone, and waterproof conditions. [4PCS SET] Each package contains 4 mounting screws, providing sufficient quantity for solar panel mounting bracket fixing needs. [COMPACT AND SMALL] With a compact shape and high mechanical strength, this screw greatly facilitates the assembly of connectors during outdoor installations. [ STAINLESS STEEL] Made of stainless steel, these screws are hard, wear-resistant, and have clear threads, ensuring a long service life. [EASY INSTALLATION] The easy on-site installation process of this racking accessory improves installation efficiency, saving time and labor costs for PV system installation projects.