<p>Made of anodized aluminium. Secured with 3 set screws by means of hex key (included).</p> <p>32 pitch (mod 0.8).</p> <ul> <li>Inner diameter - 92 mm</li> <li>Outer diameter - 105.6 mm</li> <li>Width - 9 mm</li> <li>Weight - 49 g</li> </ul> <p>Purposed for LOMO 35OPF18-1 20-120mm zoom lens.</p> <p>This gear is for <strong>APERTURE </strong>ring. We have also gears for focus and zoom rings of this lens.</p>