Premium quality collated concrete nails for the Hilti BX3 cordless nailer Base materials: Concrete (soft & hard), Masonry (concrete block with grout), Masonry (lime sand brick), Concrete (lightweight for placement on metal plate), steel, ... Minimum thickness of base material (concrete): 60 mm Corrosion protection: galvanized coating 8μm made of ultra hard carbon steel ( 53-58HRC) 1000pcs per box, 10 pcs nails on strip, length 19mm, thickness 3mm For use with tools: Fully compatible with all Hilti BX3 nail guns ( BX 3 02, BX 3-IF, BX 3-L 02, BX 3-ME, BX 3-ME (02))