IRIN | IRIN Violin Bow Collimator Straighten Corrector Tool 1/8 1/4 1/2 3/4 4/4 Fiddle Practice Training Exercise Beginner Teaching

IRIN Violin Bow Collimator Straighten Corrector Tool 1/8 1/4 1/2 3/4 4/4 Fiddle Practice Training Exercise Beginner TeachingFeatures:- Works well with all size of 1/10 1/8 1/4 1/2 3/4 4/4 violin.- Easy to install and disassemble.- Self bowing practice guide.- Mini size and lightweight.- Great for beginners to master correct bowing action.Color: 5 Colors AvailableType: Violin Bow CollimatorMaterial: Acrylic PlasticScope of application: 1/10 1/8 1/4 1/2 3/4 4/4 ViolinPacking list:1 × Violin Bow CollimatorOnly 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.