Helicore brand is identified by the royal blue thread with yellow spiral at the ball end. Tension is indicated by a secondary winding at the peg end: yellow for light, red for heavy.
4/4 Fractional size
$25.50 E is aluminum wound on stranded steel core. Medium only —-
$19.00 A has titanium winding – Medium is black at peg end $17.50
$20.00 D has nickel winding – Medium is yellow at peg end $19.00
$43.00 G has silver-tungsten winding – Medium is red at the peg end. $38.00
$53.00 C has silver-tungsten winding – Medium is purple at the peg end $47.00
