Tacwise fine wire staple, commonly used for semi-industrial/DIY applications. This staple is thinner than 140 type and not so visible. Suitable for the Tacwise Z1-53, Z1-53l, Z1-53T, Z3-53, Z3-53L and the Hobby 53EL as well as the Arrow JT21, Rapid R53 and other brands taking the popular 53 staple.