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1) Material: made of high-quality low-carbon-steel 2) Finish: electric galvanized, hot dipped galvanized, brihgt, flat head, diamond
point
3) Specifications: 1''-4'', BWG10-BWG9
4) For steel roofing and other flat roofing materials
5) Neoprene washer provides an effective waterproof sea
Packing:
Bulk, box, bag, or according to customers' requests
