The SLPSCO Black Coil Measure is the only one of its kind! Specifically engineered by one of the top piano technicians in the nation, the Black Coil Measure meets the needs of aspiring technicians in the process of restringing, replacing, and repairing piano strings by providing an easy-to-use method and comfortable design for measuring strings accurately to coil and cut. Debuted at piano technician guild meetings, this essential and innovative piece of hardware is rapidly becoming sought after by piano technicians and will now be available for purchase through Amazon.com. Salt Lake Piano Service Company has once again equipped piano technicians with a greater and more efficient tool to lighten the load of technicians and make the impossibilities of piano stringing possible with its latest invention of the SLPSCO Black Coil Measure.