3M 7100173158 Small Area Sanding Sponge Medium Coarse 909NA

Product Description

The 3M 7100173158 is a small area sanding sponge designed for surface preparation in tight or contoured spaces where flat sheets are difficult to control. Also identified by model number 909NA, this sponge features a medium/coarse grit combination suited for material removal and surface leveling on wood, drywall, metal, and similar substrates. Its flexible foam core conforms to curved and irregular surfaces, making it effective for both flat work and detail sanding. At 3.75 inches x 2.625 inches x 1 inch, the compact block fits comfortably in one hand. The sponge is sold individually and is commonly used by contractors, finish carpenters, drywall finishers, and trades professionals performing prep work ahead of painting or coating.

This sanding sponge is well suited for residential and light commercial applications where a controlled, hand-held abrasive is needed. Typical uses include scuff sanding between coats of paint or primer, cleaning up drywall joint compound edges, smoothing rough wood surfaces, and abrading tight corners or molding profiles. The medium/coarse grit combination covers a range of prep tasks, from initial material removal to moderate surface refinement, reducing the need to switch between multiple abrasive grades during a job.

Key Features

• Medium/coarse dual-grit sanding surface for material removal and surface prep
• Compact 3.75 x 2.625 x 1 inch block fits contoured and tight work areas
• Flexible foam core conforms to curved and irregular surfaces
• Lightweight at 0.08 pounds for extended hand-tool use
• Model 909NA sold as individual unit; available in cases of 24

Compatibility

Designed as a general-purpose hand sanding block suitable for wood, drywall, metal, and painted surfaces requiring medium to coarse abrasive prep work.

Installation Notes

Sanding sponges require no tools or power source and are handled directly by the user. Wear appropriate personal protective equipment including eye protection and a dust mask or respirator when sanding, particularly on drywall compound, painted surfaces, or any substrate that may generate fine particulate. Keep the sponge dry unless used as a wet sanding application, as moisture can affect sponge integrity and grit adhesion on some surfaces. Dispose of used sponges per local waste guidelines when the abrasive surface is worn.

Technical Specifications

• Model Number: 909NA
• Grit Type: Medium/Coarse
• Length: 3.75 inches
• Width: 2.625 inches
• Thickness: 1 inch
• Weight: 0.08 pounds
• Unit of Measure: Each
• Minimum Order Quantity: 24
• UPC: 00051131500372

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100173158