Simthread 6 Spools 1000M(1100Y) Polyester Machine Embroidery Threads, 40wt 100% Threads for All Machines

Standard 40 Weight - Black Polyester Machine Embroidery Thread all packed individually inside. Each Spool got standard 40 weight(120D/2) and 1000M(1100Y) length. One pack, six valuable spools. Color Fast, High Strength and Exceptional Lustre, all these Excellent Characters are based on the material of our embroidery machine thread:100% Polyester!!! GOOD COLOR FASTNESS - Polyester Embroidery Machine Thread holds up colors even when subjected to commercial laundering, bleaching and other harsh chemicals, desirable features for workwears, uniforms and linens which are often subjected to commercial laundering. GOOD TENSILE STRENGTH - Lower risks of breaking or fraying, Elasticity and Tenacity of polyester also reduces risks of looping and puckering of Polyester Embroidery Machine Thread. The suggested average speed of our polyester embroidery machine thread is 800 stitches per minute for all Embroidery Machines, very few colors will have weaker strength because they need to be dyed in the dyeing facility for longer time to get specific colors, you can slow the speed to around 600 stitches per minute if you meet breaking problem.