Yibuy 4-Piece Violin Soundpost S-Style Column Hook Installation and Repair Tool Set for String Instrument Makers - Black & Gold

Soundpost S Hook: Length: 225mm/8.86" Soundpost Clamp: Length: 171mm/6.73" Soundpost Ruler: Length: 125mm-162mm/4.92"-6.38" Wooden Soundpost: Length: 68.5mm/2.7" Diameter: 6mm/0.24" Made of brass with fine finish. Professional-grade violin speaker toolbox. Repair tools make speaker insertion, removal, and adjustment easy. Repair and installation tools for violinists and string instrument makers.