Steel construction This straight collimator for violin bows is built from steel to deliver exceptional durability and long lasting performance, making it a reliable accessory for your instrument practice. Dual-Track design A two stage dual track design with convenient double sockets allows easy insertion of the steel rod into the corresponding sockets. The grooved plastic card stickers provide stable and convenient installation. Enhance the practice experience Designed specifically for bow clamps, this collimator is a highly effective accessory that helps beginners practice violin skills. It enables practitioners to focus on rhythm and intonation and improve overall technique. Use scenarios - Beginner violinists use the collimator during bowing drills to establish consistent bow path and timing. - In a studio or school setting, it supports repeatable alignment during warm up and technique exercises. - Independent practice sessions to maintain stable alignment, aiding progression in intonation and bow control. Compatibility and performance - Compatible with standard violin bow clamps - Material: steel construction for durability - Includes grooved plastic card stickers for secure installation - Provides reliable, repeatable alignment to support focused practice and technique development