Aluminium Holder for NS Violin. This unique assembly has been created to enable the accommodation of the ebony chinrest and customized shoulder rest support. This fully adjustable assembly system reaches all ways of setting to make playing NS Violin comfortable and joyful. Made of hardened aluminium with black eloxy finish. Delivery includes: the main body part, pressure smaller piece, threaded button and washer, fixing screw. Please note that the threads of the bolts are drilled in Witworth Standard thread scale. Fits all NS Design violins (WAV, NXTa, CR).