You're looking at a set of ten segma buttons measuring 13mm (0.51) in diameter across the top of the button, with a post length of about 6.5mm but may
100 Set Snap Fasteners Leather Snaps Button Kit Press
All of the buttons are made of metal and are of high quality in Japan. Ideal for purse flaps, pockets, or attaching items. Simply use a setter and anvil to set as you would a rapid rivet (available separately). It's difficult to find elsewhere! The background grid represents 1cm square.
Craft Sha Leathercraft Tool 10 Piece Blue Cap Round Leather Snap Fasteners, Large 13mm Press Stud Metal Segma Buttons, for Leatherworking
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Segma - Norway
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These buttons are all metal and quality made in Japan. Excellent for purse flaps, pockets or attaching items.
Seiwa 10 Piece Leathercraft Tool Set Silver Cap Rounded Leather Snap Fasteners, 13mm Press Stud Metal Segma Buttons, for Leatherworking
Tandy 2018, PDF, Leather
Metal Snap Button - Norway
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