Best Flexible Putty Knives of 2026

The Amazon Basics 2" Flex Nylon Handle Putty Knife is a classic-style handle that provides a sturdy hold and a professional look and feel. The blade is made of taper-ground, mirror-polished carbon steel and is highly flexible, perfect for small and intricate filling jobs. The handle is made of 55% carbon steel and 45% nylon, and is reinforced with two heavy-duty rivets for added support. It is backed by an Amazon Basics 1-year limited warranty.

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 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.

Harrier Hardware's Soft Grip Handle Putty Scraper Knife is a great value for a 4-pack of flexible blades that measure 1.5 inches wide. The molded plastic handles have rubber grip points for comfortable use, and the flexible blades help you apply just the right pressure for a smooth, even, professional look. Customers praise the sturdy construction and flexibility of the blades, as well as the affordable price and durable materials.

The Red Devil 4824 1-1/2" Flex Putty Knife is a great tool for a variety of tasks. It features a high carbon steel blade that is rust-resistant and fully extends through the sturdy solvent-resistant handle. The unique breakaway tab allows for pegboard hanging. Customers love the flexibility of the blade and its ability to get into tight spaces. It is great for applying wood putty, scraping gaskets, and paint. However, some customers have noted that the handle is sharp and cheap.

The Bates 6" Putty Knife is a multi-purpose tool made of stainless steel and a metal handle for a secure and comfortable grip. It offers a perfect, precise flex for better finishing and faster application rates, making it ideal for home improvement projects such as applying joint compound, puttying windows, scraping paint, etc. Customers have praised its sturdiness and effectiveness for various tasks.

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.

The Cnnzdo Putty Knife Set offers six different sizes, from 1" to 5", so you have the right tool for any project, whether it's tight spots or large areas. The stainless steel blades resist rust and wear, ensuring long-lasting sharpness even when working with tough materials like plaster or adhesive. These blades are flexible yet sturdy, helping you spread spackle or joint compound smoothly for a clean finish. Plus, the ergonomic handles provide a comfortable, non-slip grip that reduces hand fatigue, making it easier to work on drywall or painting tasks for extended periods. This set is perfect for both professionals and DIY enthusiasts.

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.