[SelfDrilling Anchors Screws] Knock, Insert, Tighten Quick and Convenient Installation.[No Need to Drill] Easy Operation, No Damage to Wall Wall Screws[Premium Material] Carbon 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.[Wide Application]: These selfdrilling anchors and screws are suitable for installing drywall in homes, offices or any other buildings; hanging various items on your home decoration, such as curtains, wall lamps, murals, partitions, pipelines, picture frames, clocks, plants and more.Quantity:200PcsColour:YellowMaterial:steelPackage Contents:200 * Gypsum board expansion screwsOnly 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 +/ 13cm.