Provides a dry work area Holds tongue in a steady position, helps protect the tongue from injuries Simple operation, easy to place and remove Comfortable, no sharp edges or corners Large suction surface avoids blockage Reduces sedimentation of drilling by-products in pipes and tubing Single use Comes pre-assembled Dimensions: 5-2/8" x 2-7/8" x 7/16" Zirc Lingua-Fix (50pk)