Description: 1 set professional DIY violin sound post tool kit. Including sound post gauge, retriever clip, setter. Durable and high quality, exquisite workmanship. Perfect tool kit for violin player and luthier. Suitable for violin and viola. Material: Copper Size Chart: Gauge: approx. 12 x 3 x 1cm / 4.72 x 1.18 x 0.39inch Retrieve: approx. 19 x 0.5 x 0.5cm / 7.48 x 0.19 x 0.19inch Setter: approx. 24 x 1 x 0.2cm / 9.44 x 0.39 x 0.07inch Package Includes: 1 Set Sound Post Tools