Compatible with Tacwise Z1-140, Z1-140L, Z3-140, Z3-140L, A11, A54, 140EL, 140-180EL, 140EL Pro and A14014V, as well as Stanley, Rapid, Arrow and other tackers which take the 140 type staples. Premium quality, heavy duty, flat wire staples (thicker than 13 and 53 type) with sharp, V-shaped chisel points that provide easy penetration and a strong hold.