new and unique one-piece construction, easy to install via 3 mm (1/8") Allen key.
special 4 mm wood thread in S-Locks size M for maximum grip. Optionally available in sizes S (3.5 mm) and L (4.5 mm). Please refer to the installation instructions in the description below for size specifications.
hardest steel for maximum wear resistance and safety
including high-grade felt washers to protect your instrument
Standard diameter 12mm