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Sturdy Borosilicate Glass
Large Heart-Shaped Toggle Clasp
Jet Black
Quantity: 1 Clasp Set - 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: Jet Black.
- Approximate Measurements: The heart-shaped ring is 24.5 x 21.5mm and 4mm thick . The toggle bar is 41.5mm across and 5mm thick. The loops will accommodate wire or cord up to 2.5mm thick.
- Quantity: 1 Toggle Clasp Set.
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