This wall anchor and screw kit is made of , which can withstand use. Features the iron and ABS material, which has high durability, not easy to deform. Fine workmanship, practicality. This wall anchor and screw kit will make mounting picture frame and rail onto the wall easier and smoother. Features -Color:Assorted Color -Material:Iron, ABS -Size:21.00X13.50X3.50cm/8.25X5.31X1.38in - High hardness, suitable for hanging brackets, decorative fixtures, curtain rods, picture frames and so on. - Ribbed drywall bolts are made of ABS material to ensure high strength, abrasion and aging resistance. - Cross head screws are made of iron for great hardness and rust resistance. - A compact organizer for you save of time searching and take up no space in your home. - Excellent craft, carefully down to every detail to give it and beautiful look. Package list: M4x25 zinc-plated tapping screws 20 x M4x30 zinc-plated tapping screws 10 x M4x40 nickel-plated tapping screws 20 x M5x40 nickel-plated tapping screws 10 x M5x60 nickel-plated tapping screws 10 x M5x80 countersunk tapping screws 15 x 6X25Y Yellow wall anchors 10 x 6X30Y Yellow wall anchors 10 x 6X40Y Yellow wall anchors 10 x 8X40Y Yellow wall anchors 15 x 6X25B Light green wall anchors 10 x 8X38B Light green wall anchors 10 x 6X25H Grey wall anchors 10 x 6X30H Grey wall anchors 10 x 8X60W White wall anchors 10 x 8X80W White wall anchors