Designed for stability, our Heavy Duty Expansion Bolts feature a unique tree structure that expands evenly when screwed in, ensuring your pendant is firmly fixed to the wall. Made from high strength carbon steel and galvanized to prevent corrosion, the product is built to last with superior hardness and wear resistance. Each pack contains 50 x 5x30mm anchor bolts and 50 x 7x32mm screws punched with an M6 drill bit, neatly stowed in a sturdy clear box for easy storage and transportation. Whether used on concrete, hollow, brick, plaster or wooden wall surfaces, it adapts perfectly to hang large picture frames, TVs and artwork, etc. and repairs detached holes and reinforces loose hinges. Quick to install, the products are perfect for homes, conservatories, garages and workshops, providing reliable support for your heavy-duty needs.