Mirka 4.5-in. x 5.5-in. Fine Grit Single-Sided Abrasive Sponge for Manual Sanding (1355-100)

The Mirka 1355-100 single sided abrasive sponge is a manual sanding sponge designed for surface preparation and finish sanding by hand. Model Number 1355-100. This is a sanding sponge designed for smoothing wood, plastic, glass, stone, and similar work surfaces where a flexible hand-sanding format makes more sense than a powered sander.

What matters here is the combination of a fine 100 grit abrasive and a flexible sponge body. That gives you a sanding surface that can clean up edges, break sharp corners, and prep material without the stiffness of a sanding block. For detail work, light cleanup, and finish prep, that flexibility is the whole point.

The single-sided design keeps the product simple and predictable in use. If you are doing hand sanding on trim, panels, molded parts, stone edges, or small repair areas, a one-sided abrasive sponge gives you good feel in the hand and better control over pressure. That is especially useful when you are trying to avoid digging in or flattening a profile that should stay shaped.

The listed face size of 4.5 inches by 5.5 inches gives you enough surface area to cover work efficiently while still being easy to hold. It is a practical size for general prep work, scuff sanding, and fine finishing steps where you want even contact without wrestling a large pad.

Mirka also lists this abrasive sponge as suitable for a broad mix of materials including wood, plastic, glass, and stone. That makes it a good fit for shop use where one hand-sanding product may need to move between different tasks during the day. If you handle finish prep, light refinishing, composite work, cabinet work, or general surface cleanup, that versatility is useful.

Who should buy it? This Mirka sanding sponge makes the most sense for painters, finish carpenters, woodworkers, remodelers, and serious DIY users who still do a lot of detailed hand sanding. It is not the product you grab for heavy stock removal. It is the one you keep nearby for controlled prep, touch-up work, and smoothing where feel matters more than brute force.

A Handy Sanding Sponge for the Work That Machines Miss

The Mirka 1355-100 single sided abrasive sponge is the kind of simple shop consumable that earns its place fast if you do finish prep by hand.

• Who it's for: Painters, woodworkers, finish carpenters, remodelers, and DIY users who need controlled hand sanding on flat areas, edges, and light contours.
• Why it stands out: The fine 100 grit and flexible sponge body make it useful for prep and cleanup work where a rigid sanding block can be awkward.
• Worth knowing: This is a better fit for smoothing and prep than heavy material removal, so buy it for control and finish quality, not for aggressive sanding.

• What kind of product is this? It is a single-sided abrasive sanding sponge for manual hand sanding and surface preparation.
• What grit is it? This Mirka sanding sponge is listed as 100 grit, which is identified as fine.
• What materials can it be used on? The source data lists wood, plastic, glass, and stone among the recommended surfaces.
• Is the sponge rigid or flexible? It is listed as flexible, which helps it conform to edges and lightly contoured surfaces.