100% brand new and high quality. Features: Made of C1022A metal material, high hardness, strong and durable, not easy to damage. Surface galvanized, anti-aging, anti-rust, anti-corrosion. Countersunk head plum blossom groove design, it is not easy to damage the screw head when tightening hard. When the screw is driven in, the screw hole can be leveled to make the surface smooth and beautiful. Neck thread design can improve efficiency, increase wood joining speed by 20%, and save more labor and efficiency. Specially for hardwood, suitable for the splicing of large-scale wood-plastic products such as outdoor gardens, carpentry fences, docks, balconies, and courtyards. Self Tapping Screws only, other accessories demo in the picture is not included. Specifications: Material: C1022A Metal 4 Sizes Optional: 5x80mm;4.5x60mm;4.5x45mm;4.5x35mm Color: As pictures shown Quantity: 100 Pcs Note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 100 x Self Tapping Screws