Stravilio Full Set of Cello Strings Size 4/4 and 3/4 Cello Strings Steel Core with Alloy Wound Medium Tension Soft Tone Student Grade Full Set A D G and C (Bronze Label). Our custom branding makes it easy to get the perfect strings for your instrument. So whether you re a beginner starting on your cello journey or an experienced player looking for an upgrade Stravilio has the perfect set of cello strings for you. At Stravilio we know that not all cello strings are created equal. That s why we offer a full set of strings in four different sizes to fit just about any cello. Our steel core strings provide a rich full tone with plenty of punch.