Quarter-turn wing-knob locks are closure devices supplied with a rubber seal to ensure tightness and are suitable for multiple applications requiring quick, simple fastening.<br><br><b>Variants and options</b><br><ul><li>Number of types available: 3 (different materials and grip ranges).</li><li>Series: SR5522.</li><li>Body materials shown (filters): Nylon, Zamac.</li><li>Cam materials indicated for some SKUs: stainless steel (including 316).</li><li>Finishes available (examples): chrome.</li><li>Observed colour(s): black.</li><li>Cam lengths available (examples): 25.0 mm, 35.0 mm, 40.0 mm, 45.0 mm.</li><li>Maximum handle/grip examples: 8.5 mm, 14.5 mm, 18.5 mm, 24.5 mm, 26.5 mm, 28.5 mm.</li></ul><br><br><b>Additional product information</b><br><ul><li>Integrated rubber seal for watertightness.</li><li>Availability: multiple SKUs in stock (some items show hundreds of units, others available on request).</li><li>Various cam lengths, grip ranges and head thicknesses offered depending on SKU.</li><li>Certain variants use stainless steel cams for enhanced corrosion resistance and demanding environments.</li></ul><br><br><b>Characteristics / technical specifications</b><br><ul><li>Product title: Quarter-turn lock - Wing knob</li><li>Series: SR5522</li><li>Seal: rubber seal for tightness</li><li>Materials (examples): body in Nylon or Zamac; cam in stainless steel (some SKUs, including 316)</li><li>Finish (examples): chrome</li><li>Common colour: black</li><li>Grip / dimensions (examples): 24.5 mm, 26.5 mm, 28.5 mm, 45.0 mm depending on SKU</li><li>Cam length (examples): 25.0 mm, 35.0 mm, 40.0 mm, 45.0 mm</li><li>Head thickness (examples): 4.5 mm, 10.0 mm</li><li>Key / locking type: some SKUs without key (non-locking versions)</li></ul>