Super Sensitive Red Label 2135 Violin D String, 3/4 Designed with the student in mind, Red Label full core steel strings with nickel winding are recommended by Suzuki Method instructors and music teachers Super-Sensitive's Red-Label is one the most popular student strings in America Economically priced, the strings are made with high quality winding and core materials providing the durability and dependability required by the school orchestra programs Red-Label is available in 6 different sizes allowing younger students to use right size strings on their instruments rather than fitting larger sized strings on smaller violins Made in USA