Reddit reviews D’Addario H510 Helicore Cello String Set, 4/4 Scale Medium Tension (1 Set)– Stranded Steel Core for Optimum Playability and Clear, Warm Tone – Versatile and Durable – Sealed Pouch Prevents Corrosion

VERSATILE STRINGS – Designed for optimum playability, D’Addario’s Helicore cello strings are one of the most versatile stranded-steel core strings available. Helicore cello strings suit many playing styles, levels and instruments.STRANDED STEEL CORE – Helicore cello strings are crafted with a multi-stranded steel core, giving them great playability, longevity and a clear, warm tone. Smaller string diameter provides quick bow response while quality materials and workmanship create pitch stability.FOR 4/4 SCALE CELLO – Scaled to fit a 4/4 size cello with a playing length of 27-1/2 inches (700mm), these medium tension strings are optimized to the needs of a majority of players.BUILT TO LAST – Packaged in uniquely-designed sealed pouches, Helicore strings have unparalleled protection from the elements that cause corrosion.MADE IN THE USA – D’Addario leverages centuries of string-making experience and advanced computer-controlled winding technology to bring you the most durable, consistent and long-lasting strings. All D'Addario strings are designed, engineered and manufactured in the USA to the most stringent quality controls in the industry.