This is an L-shaped adjuster for viola, made with natural stone. The screw base uses tiger's eye gemstone. The beautifully cut base is oval-shaped for easy turning. And the Swarovski on top sparkles brilliantly. The use of a large bead makes tuning more comfortable. Also, because of its weight, changes in sound quality can be expected. Type: Viola Product Name: Adjustone Gem (Viola L-shaped Adjuster) Top: Swarovski V-cut ・Light Colorado Topaz Base: Tiger's Eye 10mm ・Polygon (faceted) cut natural stone Screw diameter: M2, protruding tip ・Can be used by simply replacing the screw. Each one is carefully handcrafted. We support your performance by adding premium screws to your instrument! Please be very careful when replacing the adjuster. The instrument and tailpiece in the photos are not included. #viola #viola #viola #tigerseye #swarovski #swarovski