Superior Threads - Omni #3024 Medium Gray 6,000 Yds. Poly-Wrapped Poly Core. Price is for 1 Cone 6000 yards of Superior Threads OMNI Thread Tex 30 (approx. 40 wt.) 3024 Medium Gray 134-02-3024 Machine Sewing Thread OMNI Thread is made from Poly-Wrapped Polyester; construction is 100% poly-filament poly core wrapped with a spun poly outer layer OMNI is designed to withstand high-speed applications and can be used in the needle and in the bobbin; cleaner, brighter, and stronger than other Tex 30 poly-wrapped poly core and spun polyester threads Home Machines: Topstitch #90/14. Set top tension to 4.0-5.0 Commercial and Longarm Machines: #18 (MR 4.0)