Sanding sponge 1000 300087149. The Tamiya sanding sponge is covered with a 1000 grit and very flexible, so it adapts to the surface to be processed. Primarily it is intended for use in plastic modelling but is also suitable for finishing wood and metal. The sponge can be cut with a cutter. Also suitable for wet sanding. Contents: 1 sanding sponge blade. Dimensions 114 x 140 mm x 5 mm. All sponges, higher value = fine no. 300087147 = 400 grit no. 300087148 = 600 grit no. 300087149 = 1000 grit no. ° 3000 087150 = 1500 grit. Warning: not suitable for children under the age of 14.