With the joint-Ass Set you work clean & the grouting of silicone & acrylic is no longer a problem. Very good results without release agents by a special material. Suitable for joint widths of 3, 4, 5, 6, 8, 10, 14 & 20 mm & fillets. The desired joint width is each stamped on the joint filler in question. No more with adhesive tape required. Delivered in a clear plastic box. This tool should not be missing for tiling & installation of sanitary facilities (shower walls, sink, .. ).