1/2 4/4 Violin Bow Straighten Collimator Corrector Tool Guide for Beginner Practice Training Exercise

Easy to install and disassemble.
Self bowing practice guide.
Mini size and lightweight.
Great for beginners to master correct bowing action.
Material: Plastic
Suitable for: 1/2-4/4 Violin
Item Weight: 14g / 0.5oz
Size: 6.3*5.7*1.5cm
colour: Black+Transparent white
Package Contents:
1 * Violin Bow Corrector
Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.