Thomastik-Infeld Spirocore Bass … Thomastik-Infeld Spirocore Bass SET 3/4 Item No. 3885 Manufacturer Thomastik-Infeld Thomastik-Infeld Spirocore Bass … Thomastik-Infeld Spirocore Bass SET 3/4 × Thomastik-Infeld Spirocore Bass SET 3/4