They are very good and easy to use. They inserted into plastic very easy. Would have been nice to have the insert tools as part of the kit but for now using a pointed soldering iron without any problems

hot iron insertion into 3d printed parts. really happy with kit

As someone deeply entrenched in the world of creative expression, spanning from intricate jewelry designs to complex 3D printing projects and everything in between, I've come to rely on tools and supplies that offer both versatility and reliability. The Swpeet 300Pcs Threaded Insert Assortment Kit has proven to be an absolute game-changer in my workshop, elevating the quality and efficiency of my craft in ways I never thought possible.**Unmatched Versatility:**One of the most impressive aspects of the Swpeet Threaded Insert Assortment Kit is its unparalleled versatility. With 300 pieces spanning across 5 different thread sizes (M2, M3, M4, M5, M6), this kit caters to a wide range of project needs. Whether I'm working on delicate jewelry pieces that require precision threading or tackling robust 3D printing projects that demand durability, I can always find the perfect insert for the job.**Premium Quality Materials:**Crafted from high-quality brass, the threaded inserts in this assortment kit boast exceptional durability and reliability. The knurled design ensures a secure grip when embedded into various materials, whether it's plastic, wood, or metal. I've used these inserts in a multitude of applications, from reinforcing 3D printed parts to creating custom fixtures for my jewelry displays, and they have consistently delivered outstanding performance every time.**Effortless Integration:**One of the standout features of the Swpeet Threaded Insert Assortment Kit is its ease of integration into different materials. Whether I'm using hydraulic methods, welding, or injection molding, these inserts seamlessly embed themselves, providing a strong and reliable anchor point for screws and bolts. This effortless integration not only saves me time and effort but also ensures a professional finish for my projects, regardless of their complexity.**Enhanced Craftsmanship:**Since incorporating the Swpeet Threaded Insert Assortment Kit into my workflow, I've noticed a significant improvement in the overall quality of my craftsmanship. The ability to reinforce connections and create secure fastening points has allowed me to push the boundaries of my creativity without worrying about structural integrity. Whether I'm designing intricate jewelry pieces or intricate 3D printed sculptures, these inserts provide the stability and durability I need to bring my ideas to life.**Final Verdict:**In conclusion, the Swpeet 300Pcs Threaded Insert Assortment Kit is an indispensable asset for anyone involved in jewelry making, 3D design, crafting, or DIY projects. Its unmatched versatility, premium quality materials, effortless integration, and enhancement of craftsmanship make it a must-have tool in any workshop. With the Swpeet Threaded Insert Assortment Kit by my side, I can tackle any project with confidence, knowing that I have the perfect solution for creating strong and reliable connections every time.

Nice product. Would be good if they included a link to buy the sizes that I use the most.

Very good selection of these knurled brass nuts with threads. Worked very well for my application. The large selection of sizes made this a good value purchase.