20pcs Zinc Alloy Self Drilling Drywall Hollow-Wall Anchors Self Tapping Screws KitFeatures: This kit involves 20pcs zinc alloy drywall anchors and 20pcs 4.5*35\' self tapping screws. Made of sturdy metallic material, lasting for years. No pre-drilling required, instant and easy installation. Deep thread design gives stable engagement for maximum keeping power. Suitable for many gypsum wallboard. Specification: Material: Zinc alloy anchor, iron zinc plated screw Anchor Size: 13*32 / 13*42mm/0.51*1.61in Screw Size: 4.5*35 Package Weight: Approx. 265g/9.3oz Package list: 20 * Drywalll Anchors 20 * Self Tapping ScrewsPictures for reference: