<ul><br /><li>Precision machined tips with superior fitment for full contact fit and longer life</li><br /><li>Performance-optimized S2 steel construction for extended life</li><br /><li>Calibrated heat treating process for added durability</li><br /><li>Manganese phosphate surface for advanced corrosion resistance</li><br /><li>Optimal geometry for an ideal fit and improved holding power</li><br /></ul>