They are not self-covering and also not suitable for any hand button-making tools. Size: 11mm, 12mm, 13mm, 14mm, 15.7mm, 17mm, 18mm, 19mm, 20.5mm, 24.5mm, 37mm, 44.2mm. Material: Aluminium. Job Lot Mixed Assorted Buttons 1KG 5KG Crafting Needlework Sewing Projects Cards.
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