SKU: 90995986530

Mason Black Optical

Sale price$134.10 Regular price$149.00
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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9

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Description

Mason Black OpticalMason Black Square Shape Frame Color: Black Lens Color: Demo lenses 2 Year Warranty Technical Information: Hand Polished Width Nose Gap Height Measurements of this pair: 145 22 48 mm Hinge: Five barrel Lenses: Flat base 0 Front thickness: 4. 8 mm Temples thickness: 3. 5 mm Lenses Technology: CR 39 Custom Made Lenses CR 39 is made by polymerization of diethyleneglycol bis allylcarbonate (ADC) in presence of diisopropyl peroxydicarbonate (IPP)

Mason Black | Square Shape

- Frame Color: Black
- Lens Color: Demo lenses  
- 2-Year Warranty

Technical Information:

Hand Polished
Width-Nose Gap-Height Measurements of this pair: 145-22-48 mm
Hinge: Five-barrel
Lenses: Flat - base 0°
Front thickness: 4.8 mm | Temples thickness: 3.5 mm

Lenses Technology:

✓ CR-39 Custom-Made Lenses

CR-39 is made by polymerization of diethyleneglycol bis allylcarbonate (ADC) in presence of diisopropyl peroxydicarbonate (IPP) initiator.
"CR-39" is an abbreviation of Columbia Resin 39. CR-39 has the highest Abbe value of any lens. An Abbe value defines the chromatic aberration of material, and this effect is generally more noticeable in peripheral vision than when looking through the center of a lens. Resin raw is injected into lenses mould. After that, the anti-scratch coating is applied.

  • Anti-scratch technology.
  • Unique colors, with over 4+ tests to achieve the final result.
  • Gradient colors with smooth transition.
  • All DE products have V-Groove (Removable Lenses - Technical feature that allows lenses to be removable, in order to add prescription etc)

+ Metal Parts.

Metal Core wire with IP plating that prevents oxidation and wear.

✓ 100% UV Protection.
The lenses we use, have a UV protective coating with maximum filtration against harmful sun rays.

✓ Lenses Category: 3.

The bigger the category number of lenses, the better. Category 3 in lenses, is considered better than categories 2 & 1. This is because they provide extra protection from both visible and UV light. These lenses allow less than 20% of visible light to penetrate the lens. This means that they will block out 80%+ of light. Category 3 lenses are considered some of the best lenses in the optical industry.

Acetate Technology:

✓ Italian (Mazzucchelli) Acetate.
Our Acetate Materials are coming from some of the biggest acetate factories in Europe. Fabricated from wood pulp and cotton.

Mazzucchelli 1849, is an Italian Company based in Castiglione Olona, and is a worldwide leader in the manufacturing and distribution of sheets made of Cellulose Acetate, polymer of natural origin, traditionally used in the production of optical and sunglass frames. Cellulose acetate is a modified natural polymer. To obtain Cellulose Acetate Mazzucchelli starts with the selection of renewable sources such as certain varieties of trees and cotton linters. From these sources the purest part of the cellulose is extracted which is subsequently treated with Acetic Anhydride and transformed into Cellulose Acetate powder.

✓ Engraved DE logo on the temples.
Every pair has the engraved logo, product name, and measurements on both temples.

Comes with a luxury box, eco-leather case, and cleaning cloth.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 90995986530

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4.4 ★★★★★
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Verified Purchase
Guitar
New York, US
★★★★★ 4
Good product. Know the limits.
Size: 6 Inch, Style: Open
These are very nice. Sure beats drilling holes in your steel. However, 45lb is a stretch. Will easily hold 25lbs. However 35+ is a stretch, especially if your walls shift a little due to be close to a door. Will definitely order more, just important to understand the limits. Thanks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
V
Verified Purchase
Valhalla Ranch
Louisville, US
★★★★★ 5
Finally, a product that meets all of its advertised claims!
It seems to me like this product is always out of stock. Of the ones I have received and been able to use. They work as advertised and hold an incredible amount of weight. It is very easy to put them on and off, but once they are latched down, you could not remove them by hand without bending the hooks I would like to have a few more boxes to use in my steel building.
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Reviewed in the United States on January 13, 2026
A
Verified Purchase
Ashley
Alexandria, US
★★★★★ 5
Magnet hooks you need!
Size: 4.5", Style: Open
I have been using these all over our shop and helps keep chords, tools and other items off the floor and more organized. I like the ease of the magnet, and it looks like. Built to last. I wish they were not so expensive.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
H
Verified Purchase
HD Rider
West Palm Beach, US
★★★★★ 5
Great product
Size: 4.5", Style: Open
Strong grip
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
R
Verified Purchase
Rob W.
Dallas, US
★★★★★ 5
Works, good holding power
Size: 4.5", Style: Open
Arrived as scheduled just as pictured. Purchased to hold my yard shovels & tools ( metal building) holds my square nose shovels, D handle Shovels w/o slipping. Impressed & happy with performance, enough to order again. Very happy with purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026

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