Perfect performance in carrying the sound. Type: Acoustic Application: 1/8 & 1/4 & 1/2 & 3/4 & 4/4 violin Manually manufactured; Exquisite and smooth quality; Can be trimmed, DIY violin parts; Product function: help improve the sound of Use:Universal Model Number:Maple Wood Violin Bridges Product Type:4/4- 3/4 Suitable instruments:violin colour:brown Material:maple Size:5 x 4.2 x 0.56CM Package Contents: 20 x Maple Wood Violin Bridges Installation Guide: 1. Hold the knob and loose the strings; 2. Put on bridge; each string corresponding to each slot; place the rough string on higher parts, and thin string on lower parts; 3. Place upright; pay attention that the place where bridge is put is the blank places on both sides of the F hole and it must be placed vertically 4: Tune and tighten the strings one by one Only the above package content, other products are not included. Note: Light reflection 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.