Attached to a flexible sponge base, the abrasive coat of this sanding sheet is well-suited for removing protrusions on plastic models and also finishing materials such as wood and metal. The sponge’s flexibility allows even finishing of curved surfaces and hard-to-reach corners. This item can be easily cut into the desired shape/size using a modeling knife. Suitable for wet sanding use. Package contains 1 sponge, dimensions: 114 x 140mm, abrasive material: aluminum oxide, sponge thickness: 5mm. 9 different levels of abrasion available (Each sold separately): 180, 240, 320, 400, 600, 1000, 1500, 2000, 3000.