ProFIT 0093178 Square Cut Nail, 10D, 3 in L, Steel, Brite, Rectangular Head, Tapered Shank, 1 lb

Masonry nails are hardened nails designed to be driven into concrete or the mortar used to hold together bricks or cement blocks. This rigidity also lends masonry nails to a wide variety of installations ranging from attaching plywood subfloor to securing carpet tack strips.