{"id":7307611865268,"title":"Bruce Charles Designs Spinning Top Base 3.93” (100 mm) Diameter - Double Concave Fused Silica Glass Optical Lens - 30cm\/300 mm Focal Length, Thickness 0.4” (10mm) - Spin Top Glass Base Surface 100mm","handle":"bruce-charles-designs-spinning-top-base-3-93-100-mm-diameter-double-concave-fused-silica-glass-optical-lens-30cm-300-mm-focal-length-thickness-0-4-10mm-spin-top-glass-base-surface-100mm","description":"\u003ch3\u003eBruce Charles Designs Spinning Top Base 3.93” (100 mm) Diameter - Double Concave Fused Silica Glass Optical Lens - 30cm\/300 mm Focal Length, Thickness 0.4” (10mm) - Spin Top Glass Base Surface\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eMAXIMUM SPIN TIMES. Made with fused silica. Harder, more smooth and durable than regular glass spinning top glass. Your spin top spins faster for longer with a flick of the wrist. No friction and more fun\u003c\/li\u003e\n \u003cli\u003eUNMATCHED QUALITY. Precision machined, solid double concave lens. Center of lens is 2.8mm thinner than the edges on either side. Heavier than most so our top spinning base stays in place for better spins. Also makes excellent reducing glass for artists or quilting\u003c\/li\u003e\n \u003cli\u003eLOOKS EXCEPTIONAL. Frosted reducing glass lens edges. For that added clean look. Because every great looking precision spinning top can use a great looking spinning top base\u003c\/li\u003e\n \u003cli\u003eSUITS ALL SPIN TOPS. From our own line of spinning tops to the others in your collection. This elegant spin station surface can extend your spin time and help you break records for bragging rights\u003c\/li\u003e\n \u003cli\u003eNEW SPIN ON GIFTS. From serious EDC spin top enthusiasts, casual players or anyone looking to up their spinning top game. 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Made with fused silica. Harder, more smooth and durable than regular glass spinning top glass. Your spin top spins faster for longer with a flick of the wrist. No friction and more fun\u003c\/li\u003e\n \u003cli\u003eUNMATCHED QUALITY. Precision machined, solid double concave lens. Center of lens is 2.8mm thinner than the edges on either side. Heavier than most so our top spinning base stays in place for better spins. Also makes excellent reducing glass for artists or quilting\u003c\/li\u003e\n \u003cli\u003eLOOKS EXCEPTIONAL. Frosted reducing glass lens edges. For that added clean look. Because every great looking precision spinning top can use a great looking spinning top base\u003c\/li\u003e\n \u003cli\u003eSUITS ALL SPIN TOPS. From our own line of spinning tops to the others in your collection. This elegant spin station surface can extend your spin time and help you break records for bragging rights\u003c\/li\u003e\n \u003cli\u003eNEW SPIN ON GIFTS. From serious EDC spin top enthusiasts, casual players or anyone looking to up their spinning top game. Click ADD TO CART to get the most out of your spin toys!\u003c\/li\u003e\n \u003c\/ul\u003e\n\n"}