<p>These spring bars have slightly longer end tips to latch onto your watch more securely.</p> <p>The 1.8mm thick spring bar provides extra girth of these spring bars also reduces strap wobble when on the watch.</p> <p><strong>Good to know:</strong><br></p> <ul> <li>These are the only quick release spring bars to work on Garmin and Suunto watches. Regular quick release do not work.</li> <li>These are perfectly suitable for other watches for those who want extra security for their watches</li> <li>1.5mm will typically fit almost all straps whereas 1.8mm may not fit some metal straps which don't have enough space for a thicker spring bar. If in doubt, use 1.5mm.</li> <li><strong>These are NOT suitable for Garmin QuickFit watches like the Fenix and Instinct series.</strong></li> </ul> <div><strong>Features:</strong></div> <div> <ul> <li>Diameter/Thickness: 1.5mm or 1.8mm (if unsure, select 1.5mm)<br> </li> <li>Longer end tips for extra security<br> </li> <li>Premium grade 304 Stainless Steel construction</li> </ul> </div>