Warchal created the  Amber viola set with the goal of achieving the tonal qualities of gut strings, without the typical tuning instability. Their solution was a completely new core material called W-Core®.  

Choose: Metal core A with the Warchal helix design, or the Synthetic core A.

-Small size will suit most instruments-

Small size: Vibrating Length 14"– 15" (36 - 38 cm)

Large size:  Vibrating Length 15"– 15 ¾" (38 – 40 cm)