Compatible Tool Types: BX 3 02, BX 3-IF, BX 3-L 02, BX 3-ME, BX 3-ME (02) Premium Premium collated nails for fastening to concrete and other base materials using the BX 3 cordless nailer Base materials: Concrete (soft), Masonry (grout filled concrete block), Masonry (solid limestone brick), Concrete (lightweight over metal deck) Product Description With 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 22mm Steel Pin concrete Nail For Hilit BX3 Nailer Nail Gun (If you need other sizes of Nails, please contact us) Package include: Nails (Tool not included)