Usage Tips:[Self-Drilling Anchors Screws]Knock, Insert, Tighten - Quick and Convenient Installation.[No Need to Drill]Easy Operation, No Damage to Wall - Wall Screws and Anchors Drywall.[Premium Material]Steel, Yellow Zinc Plated - Maximum Durability and Holding Power.[Quick Breakthrough]Concentrated Focus, Strong and Reliable - Drive Screws into Drywall.[Wide Application]Hang Objects with 66 Pound Maximum Weight - Specially Designed for Drywall.Colour: As ShownMaterial: MetalPackage Contents:100x Anchors Screws kit(12x40 expansion + high-strength nails 4x40)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.