1. 1/4 - 4/4 cello string lifter, used to change the cello bridge, safely lifts the strings on the serrated top of the jack to hold the strings in place, very useful tools.2. The string jack also marks the exact position of the new bridge. The top is serrated to fit any string configuration.3. Securely lift the strings on the serrated top of the jack to hold the strings in place. A practical tool for adjusting and assembling bridges.4. Designed to lift taut strings off the installed bridge, allowing you to work without the risk of dropping the soundpost.5. High wear resistance and excellent durabilitySize: 70mm x 78mm-100mm (H adjustable)Weight: 50gMaterial: PlasticColor: BlackPackage Contents:1 x Cello LiftOnly 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 error is +/- 1-3cm.