ProLock is an exciting new texturized polyester thread (DTY) designed for serging on fleece, knits, and stretch fabrics. Available in 73 colors, ProLock is colorfast and can be commercially laundered without risk of fading. With the bulk, elasticity, and flexibility popularized by “woollie-like” nylon threads, ProLock has all these traits plus the addition of a higher heat-resistance.

  • Available in 73 colors.

  • Tex 35 Texturized Polyester thread. Created specifically for Serger and Overlock machines.

  • ProLock is a strong Textured Polyester thread with great coverage and is widely-used for serging applications where stretch isn't critical.

  • ProLock is resistant to chlorine which makes it the best choice for children’s clothing as well as swim wear and active wear.

Recommended Needle and Tension Settings

ProLock is designed to work in the loopers of a serger/overlocker.


What Our Customers Say About Us

Your customer service is only surpassed by the quality of your products. We as a sewing group have learned wonderful things from the “University” projects. The needles are amazing, the MonoPoly is so wonderful and the Charlotte's Fusible Web---not sure if we will ever go back to any other products. Thanks to all at your company

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