3M 7100237078 Small Area Sanding Sponge Fine Medium

Product Description

The 3M 7100237078 is a dual-grit small area sanding sponge designed for fine and medium surface preparation on a wide range of materials. The sponge carries two sanding grades on a single block, delivering fine-grit performance on one face and medium-grit on the other. At 3.75 inches long, 2.625 inches wide, and 1 inch thick, it fits comfortably in the hand for controlled, targeted sanding. The flexible sponge body conforms to contours and flat surfaces alike, making it a practical tool for detail work that flat sandpaper cannot reach as effectively. It is suitable for both dry and wet sanding applications.

This sanding sponge is used in residential and light commercial finishing work across multiple trades and DIY applications. It is well suited for sanding wood, paint, metal, plastic, and drywall surfaces. The wet sanding capability makes it appropriate for finish coats where dust control and surface smoothness are priorities. Painters, drywall finishers, cabinet installers, and general contractors commonly keep these on hand for prep work between coats and for smoothing patch areas. The rinse-and-reuse design reduces material waste during multi-stage sanding jobs.

Key Features

• Dual-grit construction: fine and medium grades on a single sponge
• Supports both dry and wet sanding methods
• Flexible sponge body conforms to flat and contoured surfaces
• Compatible with wood, paint, metal, plastic, and drywall substrates
• Rinse and reuse design extends usable life per unit
• Compact 3.75 x 2.625 x 1 inch form factor for small area and detail work

Compatibility

Designed for general surface preparation use on wood, paint, metal, plastic, and drywall; suitable for hand sanding applications where a flexible, dual-grit abrasive block is required.

Installation Notes

No power tools or fasteners are required for use. For wet sanding, saturate the sponge with clean water before application and rinse thoroughly after each use to remove abrasive debris. Allow the sponge to dry completely before storage to prevent material degradation. Wear appropriate personal protective equipment, including eye protection and a dust mask, when sanding in dry mode.

Technical Specifications

• Grit Combination: Fine / Medium
• Length: 3.75 inches
• Width: 2.625 inches
• Thickness: 1 inch
• Weight: 0.07 pounds
• Unit of Measure: Each
• UPC: 00051131500389

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100237078