110 Pcs Screws and Wall Plugs Set(55 x Masonry Screw, 55 x Expansion Anchor Bolts), M6 M8 Wall Plugs and Screws, for Brick Concrete Drywall Self Tapping Screw and Wall Plug. Practical Design: The split in the ribbed wall anchors adopt an expansion curve design, will expand on two opposing sides as you tightening the screw, which greatly enhances the anchoring force, prevent the wall anchor from turning in the hole.
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