Description: 【Beam Production And Repair Tool】: Our Instrument Beam Clamps is specifically designed for beam production and repair tools, providing a professional solution for instrument maintenance 【Size】: Throat depth: 80/120/152mm for violin and viola, 200mm for guitar, 200/240mm for cello 【Function】: This Bracing Bonding Tools are essential for any luthier, providing a reliable way to maintain and repair your instrument 【Universal】: Our Replacement Parts are suitable for Violin, Viola, Cello, and Guitar, making this kits a versatile tool for all string instrument players 【Easy to Use】: With fine workmanship and a good texture, our tools are easy to use and ensure a comfortable grip, making your instrument maintenance an ease Specification: Material: aluminium alloy Size Chart: 24cm/9.45inch(throat depth), opening: 8cm/3.15inch, LxW: 28.5cmx10cm/11.22inchx3.94inch 20cm/7.87inch(throat depth), opening: 6.2cm/2.44inch, LxW:24.2cmx8.8cm/9.53inchx3.46inch 15.2cm/5.98inch(throat depth), opening: 5.6cm/2.20inch, LxW: 19.5cmx8cm/7.68inchx3.15inch 12cm/4.72inch(throat depth), opening: 4.8cm/1.89inch LxW: 15.6cmx6.8cm/6.14inchx2.68inch 8.0cm/3.16inch(throat depth), opening: 4.3cm/1.69inch, LxW: 11.8cmx6.5cm/4.65inchx2.56inch Package Includes: 5 Violin Beam Clamps