Full Product Description
Bondo 357 Spreaders are specifically engineered for Stage 2 of the 3M Body Repair System. Unlike metal putty knives, these plastic spreaders offer the perfect balance of rigidity and flexibility. This allow you to follow the complex body lines of a vehicle or the contours of a furniture piece without leaving deep gouges or uneven layers.
The salmon-colored plastic is more than just branding—it acts as a visual indicator to help ensure you have achieved a consistent mix of Bondo filler and red cream hardener. The smooth, non-porous surface prevents material from soaking in, which reduces waste and makes cleanup a breeze. Once your filler has cured on the spreader, it can simply be “popped off” by bending the tool, or the spreader can be wiped clean with acetone for immediate reuse.
Key Features & Benefits
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Assorted 3-Size Pack: Includes 4″, 5″, and 6″ widths to ensure you have the right tool for everything from small dings to large panel repairs.
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Flexible Precision: Conforms easily to curved and contoured surfaces, ensuring a uniform coat of filler or glaze.
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Thin, Clean Edges: Engineered to deliver a feather-edged application, minimizing the amount of sanding required after the filler dries.
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Reusable & Economical: High-quality plastic construction withstands repeated cleaning with solvents like acetone.
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Color-Match Indicator: The specific salmon color helps users gauge the correct mix ratio of filler to hardener.
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Multi-Purpose Use: Ideal for automotive body filler, fiberglass resin, wood putty, spackle, and even artistic 3D print finishing.
Technical Specifications
| Feature | Details |
| Brand | Bondo (a 3M Brand) |
| Model Number | 357 |
| Sizes Included | 3″ x 4″, 3″ x 5″, 3″ x 6″ |
| Material | Flexible, Non-Absorbent Plastic |
| Color | Salmon / Orange |
| Quantity | 3 Spreaders per Pack |
| Recommended Use | Spreading, Mixing, and Shaping |


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