With this shameful violin you will no longer be able to escape. Locking is done with just one lock. The inner diameter of the neck part is 140mm. Neck circumference up to 43.5mm. The inner diameter of the hand parts is 70x50mm oval. The material is acrylic glass. Multiple layers of acrylic glass result in high strength. Thickness from 17.5-30mm. All edges are rounded. The total weight is approx. 760 grams. Total length 410mm, width 180mm.