Defender Ring™, LLC

The blade knife weapon is approximately 5 mm in length by 2 mm in width at the base, with a spine of 1 mm. It's a quadruple-faced blade with thin grinded edges and a pointed tip.

Defender Ring™ can pierce skin, draw blood, collect DNA, and impair an attacker.

Click here to view how deep Defender Ring™ can pierce into an attacker's skin.

The outer layer of skin on humans known as the Epidermis is on average 1 mm deep and 20% of the blade length. The layer beneath it known as the Dermis contains both the blood vessels and nerve endings, and is on average 2-3 mm deep, which is 60-80% of the blade length.

Defender Ring™ Rose top is made from 925 sterling silver and coated in rhodium to protect it's finish and give it more shine. All other parts of Defender Ring™ including the band, thread, and blade are made from 316L stainless steel. Known for it's strength, durability and resilience, stainless steel is a beautiful and desirable metal for jewelry. It has a silver/grey industrial look, is very resistant to corrosion, and is hypoallergenic.

Coming Soon: Rose Gold and Yellow Gold plated rings.

Defender Ring™ can be worn like an ordinary piece of jewelry on a woman's finger. Simply unscrew the ring top from the ring band in a counter-clockwise direction to unsheathe the self-defense blade.

Knife laws vary from country to country, and from state to state in the United States. Defender Ring™ was created primarily as a piece of jewelry, and secondly as a self-defense weapon. Knife laws can be vague and rely on interpreting language and intent. Please consult with an attorney regarding the use of and purchase of our product. Defender Ring™ does not make any claims to the legality of this product. However, this product is intended to be used primarily as a piece of fashionable jewelry. You may refer to these resources and websites for additional information: TSA Prohibited Travel Items and Knife Laws in the United States

Yes, women, trans, non-binary, and men can purchase, wear, and use Defender Ring™. We developed Defender Ring™ as a self-defense product for anyone who thinks it will help in a self-defense situation. Our wide range of ring sizing options allows for anyone to purchase and wear the ring comfortably.

Yes, Defender Ring ships to all international countries. We've shipped rings to customers in North America, Europe, Asia, and Australia!

Defender Ring™ requires minimal maintenance. As both a piece of jewelry and a functional self-defense weapon, Defender Ring™ must be intermittently cleaned and cared for to maintain its appearance.

All self-defense products have different advantages and disadvantages. We believe that carrying a bulky pocket knife in your bag is inconvenient and impractical, as well as threatening and possibly illegal. That's why we developed Defender Ring™, so women can wear it regularly as a piece of jewelry that doesn't need to be carried in your bag.

Click Here to read a longer post comparing the advantages and disadvantages of pocket knives vs. Defender Ring™.

Defender Ring™ is very different from both a stun gun and pepper spray. While all three self-defense weapons are effective and can deter or disable an attacker, only Defender Ring™ is immediately accessible and can be worn on your finger every day. Stun guns and pepper spray are bulky and must be carried in, and retrieved from your bag in the presence of danger.

Click Here to read a detailed article comparing the pros and cons of Pepper Spray self-defense weapons.

You can also Click Here to read our product review of Stun Guns and how they can be an excellent addition to your self-defense weapon arsenal.

Self-defense classes are a very special art that requires years of practice, patience, dedication, and skill. It's hard to compare Defender Ring™ to taking self-defense classes as they are very different. In some respects, you can look at Defender Ring™ as an effective immediate solution, and self-defense classes as a long term solution. The best option would be to combine the two together, as self-defense classes utilize many finger, hand, fist, and arm motions, that when combined with Defender Ring™ can be extremely effective.

Click Here to read our in-depth review on self-defense classes pros and cons.

All of our rings tops have a "nut thread" which allows them to connect to the ring band's "bolt thread".

All Defender Ring™ tops can be interchanged with one another and fit on all ring bands.

If you have any questions, please email us at hello@defenderring.com

Yes, our team developed Defender Ring™ to be an everyday piece of jewelry that women can wear regularly. Our designs are hand-crafted and our product comes in the most common ring sizes of 5-10 with half sizes.