Cobra 033M Zinc Plated Hollow Wall Anchors, #6Highlights: Fine centered point that helps guide the anchor into the wall with flawless precision Sharp cutting edge reduces force required to cut the material, making it a self drilling anchor without pre drilling Also, a sharp profile thread cuts deeply into the hole to ensure maximum holding power and stability Available in nylon or zinc With screw Zinc plated Dia. screw : #6 Anchor per pack : 50 WARNING: This product can expose you to chemicals