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The Beadsmith Borosilicate Glass Toggle Clasp - Blue Copper - 19.5mm
Ships from the U.S.A.
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These beautiful toggle clasps are manufactured with Borosilicate glass. This "hard glass" has been produced for almost a century by adding Boron to the usual mix of silicate sand, lime and soda. The result is a resilient and sturdy glass, which is more resistant to stress, fracture and heat--hence it has been a staple for casserole lovers in kitchens around the world! Now you can incorporate glass into your bracelets and necklaces without worrying about cracks or sharp edges--even if the glass does fracture, it will break off in clean chunks rather than slivers.
Color: Blue, copper, hints of green.
Approximate Measurements: Ring side of clasp has a 19.5mm/12.5mm outer and inner diameter, respectively. The toggle bar is 42mm across and 4.5mm thick. The loops on the pieces with fit up to 2mm wire or string.