D'Addario's classical nylon strings are known worldwide for their clarity and durability. Our selection includes different tensions (known as gauging in the steel string world) and 9 string sets (2 sets of wounds and 1 set of trebles). D'Addario EXP45 Normal Tension Coated Classical Nylon $11.91 D'Addario EJ44 Extra Hard Tension Classical Nylon $7.25 D'Addario EJ45 ProArte Normal Tension Classical Nylon $7.25 D'Addario EJ46 ProArte Hard Tension Classical Nylon $7.25 D'Addario EJ27 Classical Nylon Guitar Strings $4.76