D’Addario Helicore Cello June 1, 2012 by The String & Horn Shop » Products » Orchestra » Orchestra Accessories » D'Addario Helicore Cello Individual string Medium tension Stranded steel core, titanium wound total_sales: 0 Product Options Key: -- Please Select -- A C D G Scale Length: -- Please Select -- 1/2 1/4 3/4 4/4 Combination of product variants is not available Quantity Old Price: from $37.75 Price: from $17.12 You save: $0.00 Updating cart...