Как поменять толщину стрелки svg?

<symbol id="icon-right-arrow" viewBox="0 0 64 64">
<title>right-arrow</title>
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<path d="M18.101 33.605h23.935l-6.264 6.264c-0.626 0.626-0.626 1.631 0 2.258 0.313 0.313 0.718 0.47 1.135 0.47s0.822-0.157 1.135-0.47l8.992-8.992c0.626-0.626 0.626-1.631 0-2.258l-8.992-8.992c-0.626-0.626-1.631-0.626-2.258 0s-0.626 1.631 0 2.258l6.264 6.264h-23.948c-0.887 0-1.605 0.718-1.605 1.605s0.718 1.592 1.605 1.592z"></path>
</symbol>