Meng Model MTS041C High Performance Flexible Sandpaper #400 (Fine Refill Pack). The MENG Model MTS041C High Performance Flexible Sandpaper #400 (Fine Refill Pack) is an indispensable tool for the preparation and sanding phase of model making. The set includes 6 flexible sandpaper sponges with 400 grit (fine), designed to remove imperfections, mold marks, and irregularities before the finishing stages. The sponges are available in three different thicknesses (2 mm, 3 mm, and 5 mm) to perfectly adapt to both flat surfaces and intricate details. WE DO NOT SHIP TO THE CANARY ISLANDS