Best Fused Silica Lense

SeaDive Oceanways Superview-HD w/Anti-UV/Glare Optical Multicoating w/Anti-Fog Scuba/Spearfishing Dive Mask OM940BKSFF

Light: Frame and lense together weight is 14.2g.
Size: Total Width:130mm/5.11inches Lense Width:49mm/1.9inches Bridge Distance:20mm/0.8inches.
Elasticity: The flexible frame and temples make them even more comfortable.
Portable:These are small, so they're perfect to keep in your purse, they take up less room.
Anti-slipping: There is a silicon tips on the temple,when you lower your head, the glasses do not slip easily.

Light: Frame and lense together weight is 14.2g.
Size: Total Width:130mm/5.11inches Lense Width:49mm/1.9inches Bridge Distance:20mm/0.8inches.
Elasticity: The flexible frame and temples make them even more comfortable.
Portable:These are small, so they're perfect to keep in your purse, they take up less room.
Anti-slipping: There is a silicon tips on the temple,when you lower your head, the glasses do not slip easily.

【You Will Get】This 6 pieces graphite torch melting casting kit, including crucible bowl, tongs, trough, graphite stirring rod, rectangle graphite crucible and cylinder graphite crucible.【Please refer to the specific product size in the picture for the size.】.
【High Quality】Using modern ceramic processing technology and fused silica as main r-aw material, the graphite crucible has nice thermostability, high purity, high strength, corrosion and shock resistance..
【Multipurpose】These graphite ingot moulds are widely and commonly applied for experiments and smelting of non-ferrous metals, such as gold, silver, copper, aluminum, and much more..
【Graphite Crucible】Designed for melting applications.Stirring rods help you evenly mix and stir precious metals during melting.
tongs are used to clamp metal casting mold under high temperature conditions..
【Casting DIY】Ideal for satisfying lab, test analysis and other purposes.
Taking the product size into account, small-capacity metal melting projects will be more suitable..

MAXIMUM SPIN TIMES. Made with fused silica. Harder, more smooth and durable than regular glass spinning top glass. Your spin top spins faster for....
UNMATCHED QUALITY. Precision machined, solid double concave lens. Center of lens is 2.8mm thinner than the edges on either side. Heavier than most so....
LOOKS EXCEPTIONAL. Frosted reducing glass lens edges. For that added clean look. Because every great looking precision spinning top can use a great....
SUITS 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....
NEW 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....

【6-24X adjustable magnification】 Clearly observe hunting targets at different distances. Suitable for rapid shooting of moving and normal targets.
【50mm objective diameter】Wide Riflescope apeture provide wide field of view for you..
【Flip cover protect lens】 Updated hunting scope equipped two flip covers, which keep lens away from dust and increase long time.
【Multi-coated lense】Fully multi-coated lense with low light reflection which increases light transmmision to ofer bright and clearer images.
【Waterproof, shockproof】Our 6-24x50 Hunting rifle scope is made of high grade aluminum alloy. High quality material avoide water fog and dust, offer you a best experience for hunting.

UV400 PROTECTION & POLARIZED LENS: SIPHEW polarized sunglasses provide 100% protection against harmful UVA / UVB rays. Polarized sunglasses are....
FASHION MIRRORED SUNGLASSES: Stylish mirrored lens with exquisite frame, SIPHEW womens’ mirrored sunglasses have unique style of patterns and....
PRODUCT DIMENTION: Frame width--148mm/5.8inches.
COMFORTABLE WEARING: Made of high quality PC and fine metal material, you don't have to worry about how long these sunglasses can be used, they are....
NO WORRIES SHOPPING ONLINE: No longer have to worry about shopping online any more with SIPHEW sunglasses. With equal focus on fit, function &....

A simple test to see if they are polarized and if you turn them on a 90 degree angle against a computer screen or strong sunlight they should turn....
Light weight Frame with Spring Hinge is Durable and Ergonomics, more comfortable and user-friendly.Professional DESIGN for Night Driving, improve the....
POLARIZED YELLOW LENSE-The yellow lenses reduce glare and enhances clarity just like high definition tv’s. Moreover, polarized lense will diminish....
Product Measurements - Frame Width:65mm, Frame Height:49mm,[Manual measurement, there may be 1-3 mm deviation].
30 Days -- Satisfaction Ensuring. That is our promise. So, if you are not completely happy with your purchase within the first 30 days, just let us....

DESKTOP LUXURY in one full EDC spinning top game set. Bruce Charles Designs top spinning base includes our fused silica glass spinning top glass lens plus all 4 of our metal spinning tops.
FASTER, LONGER, superior spin tops. Our spin top set includes 1 brass metal spinning top, 1 bronze, 1 steel and 1 aluminum brass spinning top. CNC machined. Upper grips are knurled for better torque.
PREMIUM QUALITY spinning top base. Made of durable Bermese Teak. Keeps the spinning glass stable, reduces spin top motion to keep your spinning tops spinning for up to 12 minutes!.
DOUBLE CONCAVE lens. Polished smooth surface. Double sided - center of lens is 2.8mm thinner than the edges. Frosted reducing glass lens edge for a touch of elegance. Designed for all our EDC spinning tops.
THE PERFECT GIFT for men, women, and all EDC spin top enthusiasts. ADD TO CART and take it for a spin.