Mirka File Board – Rigid & Flexible Models

Mirka 70 x 400mm Hand Sanding File Boards – Rigid & Flexible Models

The Mirka 70 x 400mm File Board range is engineered to provide trade professionals with ultimate control and precision during manual sanding tasks. These low-profile, durable hand blocks are specifically designed to deliver flat, consistent surfaces or perfect contours depending on your project requirements. Featuring an ergonomic handle for a comfortable grip, these boards are the gold standard for high-performance hand sanding in automotive, marine, and woodworking industries.

Whether you need the uncompromising flatness of the Rigid model or the versatile contour-following capability of the Flexible model, both boards are optimised for use with Mirka’s revolutionary net abrasives or traditional grip strips. To maintain a clean and healthy workspace, both models are equipped with a 53-hole configuration for full dust extraction when connected to a vacuum system.

Choose Your Model:

1. Mirka Rigid File Board

Designed for absolute precision on flat surfaces, the Rigid model ensures no bowing or flexing, providing a perfectly level finish.

• Ideal for: Large flat panels and sharpening body lines.
• Best Paired With: Mirka Iridium or Galaxy 70x400mm strips.

2. Mirka Flexible File Board

This adjustable board features a unique tensioning system to match any concave or convex shape.

• Visual Guides: Yellow dots indicate a straight profile, while red dots show maximum curvature.
• Ideal for: Curved automotive panels, rounded furniture, or marine hulls.