<p>Individual discrete tactiles are available in 316 stainless steel or durable polyurethane.</p>
<p><em>Tactile</em><span><span> </span>Ground Surface<span> </span></span><em>Indicators</em><span><span> </span>(TGSI's) are available in three main types; Warning TGSI's, Directional TGSI's and Integrated TGSI's.</span></p>
