{"product_id":"3m-bondo-357-plastic-spreaders-3-piece-pack-small-medium-large-reusable-flexible-spreaders-for-filler-putty-automotive-and-hom","title":"3M Bondo 357 Plastic Spreaders 3-Piece Pack — Small\/Medium\/Large reusable flexible spreaders for filler, putty, automotive and hom","description":"\u003cp\u003e\u003cstrong\u003eThe 3M Bondo 357 Plastic Spreaders 3-piece pack is a set of strong, flexible plastic spreaders designed to mix and apply filler, putty, spackle, caulk or glaze with thin, clean edges for smooth finishes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen working on auto body repairs, home patch jobs, or general sealing tasks, the right application tool makes a major difference. The Bondo 357 spreaders were engineered for aftermarket automotive use but are equally useful for general-purpose filling and smoothing. Each pack includes three different sizes so you can choose the best blade for mixing, shaping, or feathering material on flat and curved surfaces.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these spreaders improve filler application?\u003c\/h3\u003e\n\u003cp\u003eBondo spreaders are molded from a single piece of durable plastic, which gives them both strength and flexibility. The thin, clean leading edge lets you shape and feather filler precisely, reducing the need for repeated sanding. Their design avoids seams or joints that trap product, so application stays consistent from start to finish.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThin, tapered front edge for accurate feathering and smoothing\u003c\/li\u003e\n  \u003cli\u003eThree sizes to match mixing and application needs\u003c\/li\u003e\n  \u003cli\u003eFlexible enough to follow curved contours yet rigid for leverage\u003c\/li\u003e\n  \u003cli\u003eSingle-piece construction prevents product build-up\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I reuse and clean these spreaders easily?\u003c\/h3\u003e\n\u003cp\u003eYes — the Bondo spreaders are crafted for repeated use. Cleanup is quick: most filler, putty, or glaze wipes away with a solvent like acetone before it cures. Because there are no seams, residue is much easier to remove, saving time and reducing waste compared with disposable blades.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNonporous plastic surface wipes clean with acetone or solvent\u003c\/li\u003e\n  \u003cli\u003eReusable across multiple repair jobs to lower per-job cost\u003c\/li\u003e\n  \u003cli\u003eNo seams or hinges that trap material or require scrubbing\u003c\/li\u003e\n  \u003cli\u003eDurable enough to withstand repeated solvent exposure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich sizes are included and what are they best for?\u003c\/h3\u003e\n\u003cp\u003eThe pack contains three different spreader sizes, each suited to a particular task. Smaller blades are ideal for mixing compounds and working in tight or detailed areas, mid-sized blades handle general patching, and larger blades are best for spreading and feathering over broader surfaces. Having three sizes in one pack increases versatility for both automotive and household projects.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSmall: precise mixing and tight spots\u003c\/li\u003e\n  \u003cli\u003eMedium: general filler application and shaping\u003c\/li\u003e\n  \u003cli\u003eLarge: broad spreading and feathering across panels\u003c\/li\u003e\n  \u003cli\u003eAll sizes compatible with common fillers, caulks, and spackles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these compare to metal putty knives?\u003c\/h3\u003e\n\u003cp\u003ePlastic spreaders like the Bondo 357 offer a balance of flexibility and control that metal knives sometimes cannot. Plastic conforms more readily to curved surfaces and won’t scratch painted or delicate substrates. Meanwhile, the thin edge provides comparable shaping ability without the rigidity of metal, which can gouge or cause uneven pressure on contours.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePlastic reduces risk of scratching finished surfaces\u003c\/li\u003e\n  \u003cli\u003eGreater flexibility for conforming to curves and contours\u003c\/li\u003e\n  \u003cli\u003eThin edge for controlled shaping without excessive rigidity\u003c\/li\u003e\n  \u003cli\u003eLess thermal conductivity and corrosion than metal blades\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? The 3M Bondo 357 Plastic Spreaders are suited to auto body professionals, hobbyists restoring vehicles, and homeowners tackling patchwork or sealing tasks. If you need reliable, reusable spreaders that deliver clean edges, adapt to curves, and clean up quickly, this three-size set gives you practical options for efficient, controlled filler application.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these spreaders reusable?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the single-piece plastic spreaders clean easily with acetone and are reusable for multiple jobs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What materials can I use them with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They work with filler, putty, spackle, caulk and glaze on both flat and curved surfaces.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"3M","offers":[{"title":"Default Title","offer_id":48084429701278,"sku":"B07YGXKSPS","price":29.57,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/3m-bondo-front-packaging.jpg?v=1785855018","url":"https:\/\/northtrailauto.ca\/products\/3m-bondo-357-plastic-spreaders-3-piece-pack-small-medium-large-reusable-flexible-spreaders-for-filler-putty-automotive-and-hom","provider":"North Trail Auto","version":"1.0","type":"link"}