3M™ Softback Sanding Sponge, 02604, 4 1/2 in x 5 1/2 in (115 mm x 140 mm)
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
The 3M™ Softback Sanding Sponge, 02604 is a versatile hand-sanding solution designed for users who need comfort, control, and flexibility during sanding tasks. Measuring 4 1/2 in x 5 1/2 in (115 mm x 140 mm), this sanding sponge is easy to grip and maneuver, making it a practical choice for smoothing flat panels, curved surfaces, edges, and detailed contours.
Its softback construction helps the sponge conform to irregular shapes while maintaining even pressure across the work surface. That makes it especially useful for prep work, finish sanding, and touch-up applications where precision and a consistent sanding pattern matter. Whether used in automotive refinishing, woodworking, metalworking, marine work, or general shop applications, this sponge offers dependable handling and improved user comfort during extended sanding sessions.
Compact and easy to store, the 3M Softback Sanding Sponge is a reliable addition to any professional or DIY sanding kit.
Key Features
- Genuine 3M™ Softback Sanding Sponge
- Part number: 02604
- Size: 4 1/2 in x 5 1/2 in (115 mm x 140 mm)
- Soft, flexible backing helps conform to contours and curved surfaces
- Comfortable hand-held format for better sanding control
- Suitable for detail work, edges, corners, and hard-to-reach areas
- Useful for a wide range of prep, smoothing, and finishing tasks
- Ideal for professional shops and DIY users alike
Technical Specifications
- Brand: 3M™
- Product Type: Sanding Sponge
- Model / Part Number: 02604
- Dimensions: 4 1/2 in x 5 1/2 in
- Metric Dimensions: 115 mm x 140 mm
- Application Type: Hand sanding
- Form Factor: Softback sponge
Compatibility & Fitment
The 3M Softback Sanding Sponge is designed for manual hand-sanding applications and is compatible with a broad range of materials and project types.
Works well with:
- Primed surfaces
- Painted surfaces
- Body filler and repair areas
- Wood components and trim
- Metal surfaces
- Fiberglass and composite materials
- Marine and automotive surface prep tasks
Best for:
- Contoured panels
- Rounded edges
- Tight corners
- Detailed sanding areas
- Light prep and finish work
Fitment Notes:
- Sized for comfortable hand use at 4 1/2 in x 5 1/2 in
- No machine attachment required
- Ideal where rigid sanding blocks may be too stiff or bulky
- Works best when the user needs flexibility and close surface contact
Important:
Always confirm the required grit or grade for your application before purchase if surface finish requirements are critical.
Maintenance Tips
- Tap or shake off sanding dust regularly during use
- Store in a clean, dry area away from moisture and contaminants
- Avoid excessive pressure to help maintain even wear
- Replace the sponge when abrasive performance declines
- Match the sponge to the appropriate stage of sanding for best results
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.