New blend of copper infiltrated iron provides a good balance of strength and "stick"- for secure placements on ultra thin terrain. A set of MICROS hung on a NEUTRINO weighs next to nothing but can come in real handy affording protection at just the right momment. Use for free and aid pitches in natural or previously enhanced placements. Each nut is tested to verify soldering of stainless cable. Order the 5/SET and receive a FREE OVALWIRE biner (extra $5.95 value)! wt: 2.65 oz