Have you ever tried to figure out thread thicknesses? If you find it confusing, then rightly so! There is surprising no universal standard for threads making it hard to compare them. Here is a summary of how threads are measured and how to choose what you need for your leathercraft.
Hand Embroidery Needles: How to Choose Them & Use Them –
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Do you know your needles? Types & sizes of hand embroidery needle explained!
Needle and Thread — Stitchback DIY trail gear
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Sewing Machine Needle And Thread Size Chart
Needle and Thread — Stitchback DIY trail gear
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Sewing Machine Needle Sizes, Types & Uses Guide
Knitting Needle Sizes Explained (With Size Conversion Chart)
A look at thread/needle sizes