Tuscan Seamclip Red 150 pc Box #TSC150R For Tile 3/8' but less than 1/2'' thick 1-piece system that virtually eliminates lippage on walls and floors. Red TruSpace Seamclip adds 1/32" (.80mm) grout joints during tile installation. The fastest, easiest system to use! No tools needed! Made in the U.S.A. (Midwest) from recyclable material.