LaBella 1006 SET ORCH BASS SUPERNIL STANDARD 3/4 . Authorized dealer over 40 years USA. "Gary Ritter Strings Shop" - South Lyon, Mich.  Shipping outside lower 48 states USA and HI. - AK. - PR. will be calculated. One of La Bella's best-selling sets since their introduction in 1962, Supernils are the strings for "slap" style used in Rock, Rockabilly, Bluegrass or Country and Western Swing. These strings have a very flexible feel and produce a great sound.