I got a set of Rotosound PSDs about 10-12 years ago,and they were great. I was playing fender style basses back then,so they did seem to have a wide range and brighter. Piano like. I got some about a year ago to try on my Epic,but they went to an adjustable ball end. These were very hard to set up right,so I I had uneven lenghts of core wire coming over the bridge. With practice I guess you would become proficient with the length issues. The ones I got long ago were presized,and worked well. I wish I could get some sized for my bass. I do remember that they had various lengths available back then.