Silver-plated ligature for bass clarinet from Optimum series that features a plastic cap and three interchangeable pressure plates with different pressure points which provide different timbre. It delivers a more compact, centred sonority, smooth even sound and extraordinary blowing ease. The reed vibrates in total freedom, producing a very flexible sound, but is also kept firm on mouthpiece table. The ligature helps user to achieve comfort in dynamics and tone production in the entire range, and offers quick and symmetrical tightening with a unique double-track screw mechanism.