Mr.Hobby GSI-MT304 #400 Waterproof Sandpaper 4-Pack  [GSI-MT304]

Surface Prep with Mr.Hobby GSI-MT304 #400

For RC model builders who want careful surface preparation, the Mr.Hobby GSI-MT304 waterproof sandpaper gives steady, predictable results. The #400 grit sheets come four per pack and are useful for achieving paint-ready surfaces on small components.

Detail Sanding for Paintwork and Decals

These waterproof sheets are suited to refining seams and smoothing areas before primer or decal application. They tolerate wet sanding and help keep edges clean when working on plastic, resin or metal parts.

Balanced Abrasion for Hobby Projects

Made with model makers in mind, the sandpaper balances cutting power and flexibility. The #400 grade removes light imperfections without aggressive material loss, making it versatile across many kit tasks.