Violin Bow Collimator, Violin Bow Straightener Tool for 1/2-4/4 Violins, Beginner Practice, Professional Adjustment, Daily Maintenance

• GOOD WORKMANSHIP：The adjustable strap with fine workmanship is firm and strong, difficult to break off, wearable, no harm to your instrument.
• PERFECT ACCESSORIES: Self bowing practice guide and it help you cultivate correct bowing and wrist action.
• MATERIAL: Transparent part is made of tough plastic, in use.
• APPLICATION: Two alternatives, one is applicable to 1/8 - 1/4 violins and the other one is used for 1/2 - 4/4 violins.
• SERVICE GUARANTEE: If you are not satisfied with the Violin Bow Straighten Collimator we received, you can contact us by email at any time, we will reply and solve your problem in time, and strive to provide better service.

Specification: Condition: Brand New Material: Plastic Color: Transparent + Black Application Option: 1/8 - 1/4 Violins, 1/2 - 4/4 Violins(Optional) Weight: Approx. 24g Packing List: 1 x Violin Bow Corrector