Feature: 1. DURABLE MATERIAL: Violin strings are made of chromium steel and wrapped around a solid chromium steel core, making them durable, easy to install and responsive 2. EXCELLENT PERFORMANCE: The strings will produce a bright, full sound with a high, clear timbre, has powerful volume and excellent bow response 3. SUITABLE GROUP: Violin string set is popular with both learners and educators, from beginners to professional players, can be used as a nice gift 4. EASY TO INSTALL: Installing violin strings is a breeze. Simply follow the step by step instructions and you'll have your violin ready to play in no time 5. PERFECT REPLACEMENT: With durable chromium steel strings, you can easily replace your old strings and enjoy a fresh and powerful sound, useful and practical Specification: Item Type: Violin Strings Material: Chromium steel Suitable: For 4/4 violin E String: Chromium steel core A String: Chromium steel core D String: Chromium steel core G String: Chromium steel core. Package List: 4 x Violin Strings