The Juzek brand, comprises a set of four joining clamps. Sizes: 4 piece set for Vln/Vla; and 4 piece set for Cello.
The Herdim crack clamps have rotating pads with convex and concave sides adapt to
contour of instrument. Self-adjusting pressure pads bring sides of
crack even. Double rod for high strength and flexibility. Sizes: 280mm, Violin/Viola; and 180mm, for Violin/Viola.