Product DescriptionCompatible Tool Types: GX3, GX100, GX120 Premium collated nails for fastening to concrete and other base materials using the GX120 cordless nailerBase materials: Concrete (soft), Masonry (grout filled concrete block), Masonry (solid limestone brick), Concrete (lightweight over metal deck)Product DescriptionWith special materials, concrete nails are specialty nails compared with common iron nails. It is harder, the shank is short and thick commonly and it has excellent piecing and fixing strength. With these features, concrete nails make ideal nails and fasteners for firm and strong sites.Galvanized concrete nails offer excellent anti-bending, anti-crack and safety uses due to the processing of advanced heat treatment technology. It is made from high quality The nail surface treatment can be polished, electro galvanizing, blackish, etc. 19mm Steel Pin concrete Nail For Hilit GX3, GX100, GX120 Nailer Nail Gun(If you need other sizes of Nails, please contact us)Package include: Nails (Tool not included)