Durable: Made of carbon steel with galvanized surface, strong and durable, not easy to break.
Used: For 1/8 to 1/4 inch wall thickness. screw diameter approx. 4mm/0.16inch, anchor length approx. 32mm/1.26inch
Expansion type: Heavy duty hollow drive wall anchors will expand when installed, providing strong load bearing capacity and security, durable enough to hang items.
Widely used: Used for drywall, hollow block, plaster, tile, perfect for hanging curtain rod, lamps, photo frame, coat rack, power switch.