High-quality Neutrik Rean NYS229L long-shaft guitar jacks. Extended 9.5 mm shaft length (about 3/8 of an inch), allows for mounting in thicker materials than a standard jack. Perfect for cigar box guitars, cigar box amplifiers, regular guitars and basses, as well as various hand-crafted instruments. Made from CuZn39Pb3 brass (CuZn39Pb3 is the European benchmark material for the assessment of machinability, in which it scores an index of 100%.) and plated with nickel, these jacks are the manufactured for extreme durability. SnCe plating on the faston tabs provides excellent solderability and enhances electrical conductivity, which means quick connects work great, and these are very easy to solder. These jacks are RoHS certified.