Best Plastic Putty Knives of 2026

The Bates- Putty Knife Set, 6 Pack is a great alternative to metal knife options. The set includes six different sizes ranging from 1.5" to 6" inches, making it easy to find the perfect size for your needs. The plastic scrapers are flexible and solvent resistant, making them perfect for spackling, patching, and painting. The Bates Putty Knifes set is a great addition to any DIY toolkit.

The LifHap Putty Knife Set includes three versatile sizes—1.5", 3", and 6"—made from durable plastic. These knives are great for various tasks like spackling, patching, and painting, providing an excellent alternative to metal options. If you're preparing homemade tamales, these tools will help you spread dough easily and efficiently. Additionally, carpenters and handymen will appreciate their suitability for slab and tile jobs, making projects more manageable. Lightweight and easy to handle, this set is also perfect for artists working on large canvases or simple crafts, allowing for seamless application of different mediums.

This 6 Pack Putty Knife Set includes six different sizes of flexible plastic paint scraper tools, ranging from 1.5" to 8" inches, making it convenient for both professionals and DIYers. The holes in each handle make for easy storage on any nail or pegboard. Made of 100% polypropylene, the putty knife is solvent-proof and durable. It's perfect for spackling, patching, and painting and is an excellent alternative to metal knife options.

The Beyotool Putty Knife Set is a great choice for home improvement projects. This set includes four stainless steel blades with rubber handles for a comfortable grip. The blades are rust-resistant and come in four different sizes, making them perfect for applying putty, plaster, cement, adhesives, and more. Customers have praised the high-quality materials and beveled edges, making this set a great value for the price.

The Rerdeim 5Pcs Putty Knife Set is a great choice for any DIYer. This set includes five different sizes of putty knives, each made of high-quality stainless steel that won't rust or corrode. The handles are a combination of soft rubber and plastic for a comfortable grip, and the blades are sharp and precise. This set is perfect for repairing drywall, removing wallpaper, decals, mud, and plaster scraping. Customers have praised the quality and value of this set.

The Red Devil 4718 3-Piece Plastic Knife Set is an economical alternative to metal knife options, providing strength and flexibility. This set includes 1 1/2" Putty Knife, 3" Spreader & 6" Taping Knife, perfect for repairs and projects. Disposable once the project is complete, this set is a great value.

The OXDFK Flexible Putty Knives come in a convenient set of six, giving you plenty of tools for daily repair tasks. Their flexible design makes spreading putty or paint easier, allowing you to control the application smoothly and accurately. Thanks to the beveled blade, you can efficiently scrape and smooth surfaces with precision. These knives are versatile, perfect for a variety of DIY jobs like window caulking, removing loose paint, or applying drywall compound. Overall, these putty knives help you get your repair and finishing work done neatly and with less effort.

This Red Devil Putty Knife is perfect for all-purpose use. The 2" wide knife is made from durable and solvent-resistant plastic. It is also disposable, which makes cleaning it up afterwards an easy task.

The Smafixt Putty Knife Set offers two handy sizes, 2 and 4 inches, so you have the right tool for a variety of tasks without cluttering your workspace. These knives are perfect for smoothing and repairing surfaces like drywall, plaster, and even removing wallpaper, making your home projects easier. The stainless steel blades are made to last, resisting rust and cleaning up quickly after use. Plus, the thick, ergonomic handles fit comfortably in your hand, reducing strain and helping you work longer with less fatigue. This set is designed to make your repair and scraping jobs more efficient and comfortable.

The XZZWLL Plastic Putty Knives come as a set of six blades ranging from 1.5" to 8", giving you the right tool for any job, whether it's filling small holes or smoothing large surfaces. Made from tough, flexible plastic, these putty knives resist breaking and adapt to wall curves without damaging them, making your work smoother and more precise. They’re versatile, perfect for spackling, scraping paint, removing wallpaper, or cleaning adhesives, so you can tackle many home repair tasks with one kit. Plus, each knife has a comfortable, non-slip handle with a hole for easy hanging, helping you keep a firm grip and organized workspace.