Stainless Steel Monster Ring (Screw in Ball Ring) | Captive
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Monster Ring (Screw in Ball Ring)
(4.6)
Qty
Sold as a SINGLE
$ USD
Perfect when you want the look of a captive at a larger size, these monster rings have an internally threaded ball end.

  • Interior Diameter:
    • 6g through 2g have a 15mm diameter
    • 0g has a 5/8" diameter
    • 00g has a 3/4" diameter
    • 12mm has a 19mm diameter
    • 15mm has a 20mm diameter
    • 17mm has a 22mm diameter
    • 3/4" has a 1" diameter
  • Weights:
    • 6g weighs 7.2 grams
    • 4g weighs 11.7 grams
    • 2g weighs 16.6 grams
    • 0g weighs 32.2 grams
    • 00g weighs 74.1 grams
    • 12mm weighs 100 grams
    • 15mm weighs 170 grams (6oz)
    • 17mm weights 240 grams (8.5oz)
    • 3/4" weighs 312 grams (11oz)
In our drop-down menus for adding to cart, we show the gauge of the item you are ordering, then the length/diameter, then the ball size if it has any:

Jewelry is measured through a gauge system (conversion chart below). The higher the gauge number the smaller the wire is. For reference, a standard "earring" is usually 20 gauge. Jewelry gauges can vary between manufacturers. There is no universal regulation on companies to make a standard size in body jewelry. This is because some jewelry is made outside of the USA and measured in millimeters. And in the USA jewelry is measured in inches.

GAUGE CONVERSION CHART:
Gauge Millimeter Inch
20g .81mm
18g 1mm
16g 1.2mm 3/64"
14g 1.6mm 1/16"
12g 2mm 5/64"
10g 2.4mm 3/32"
9g 2.7mm
8g 3.2mm 1/8"
7g 3.5mm
6g 4mm 5/32"
4g 5mm 3/16"
5g 4.5mm
2g 6mm 1/4"
1g 7mm
0g 8mm 5/16"
00g 9mm to 10mm 3/8"
  11mm 7/16"
  13mm 1/2"
  14mm 9/16"
  16mm 5/8"
  19mm 3/4"
  22mm 7/8"
  25mm 1"
Show sizes above 1 inch

Rings

Rings are an essential item that can be worn in many piercings. They come in various styles:
  • Captive bead rings - These use tension to hold a bead in place.
  • Clickers - These use a hinge to open and close the ring.
  • Segment rings - These have a "segment" that comes completely out of the jewelry similar to removing a bead. But it looks like a completely seamless piece of jewelry.
  • Seamless rings - These rings require bending to open & close.
How to measure rings
  • Gauge - This is the thickness of the ring itself.
  • Diameter/Length - Measure directly across the inside center of the ring.

Straight Barbells

Straight barbells are commonly worn in various ear projects, nipples, and tongue piercings.
How to measure straight barbells
  • Gauge - This is the thickness of the post/bar itself.
  • Length - Measure directly across the post between the ends.

Double Flare Plugs / Eyelets / Gauges

Commonly worn in earlobes, but can be worn in other stretched piercings.
How to measure double flare plugs
  • Gauge - Measure the size of the plug across the middle.
  • Wearable area - Measure straight across the side of the plug between where the flares start.
  • Flare size / rise - Measure the distance from the side of the plug to where the flare ends.

Single Flare Plugs / Eyelets / Gauges

Commonly worn in earlobes, but can be worn in other stretched piercings.
How to measure single flare plugs
  • Gauge - Measure the size of the plug across the middle.
  • Wearable area - Measure straight across the side of the plug between where one flare starts and where the o-ring starts.
  • Flare size / rise - Measure the distance from the side of the plug to where the flare ends. (see image of double flare plugs)

No Flare Plugs / Eyelets / Gauges

Commonly worn in earlobes, but can be worn in other stretched piercings.
How to measure no flare plugs
  • Gauge - Measure the size of the plug across the middle.
  • Wearable area - Measure straight across the side of the plug between the o-rings.

Teardrop Shaped Plugs

Worn in earlobes
How to measure teardrop shaped jewelry
  • Gauge - Add the height + width and then divide by 2. Then use the conversion chart to get the closest gauge.
  • Wearable area - Measure directly across the plug between where the flares begin.
  • Flare size / rise - Measure from between the flares to the edge of where the flares end.

Curved Barbells

Curved barbells are commonly worn in various ear projects & eyebrows.
How to measure curved barbells
  • Gauge - This is the thickness of the post/bar itself.
  • Length - Measure directly across the post between the ends.

Circular Barbells

Circular barbells are commonly worn in various ear projects, septums, nipples, and lips.
How to measure circular barbells
  • Gauge - This is the thickness of the post itself.
  • Diameter/Length - Measure directly across the inside center of the circular.
JEWELRY THREADING TYPES

Externally threaded

Internally threaded

Threadless
SIZE COMPARISON GUIDES
Enlarged example of 1" on ruler
Ruler example
Customer Photos
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Customer Reviews (46)
4.6 out of 5 stars
67% (6)
22% (2)
11% (1)
4 Posted on 1/16/2022
Verified purchase 6g  
Well made, a little larger in diameter than I thought, might have been my mistake for not reading more about the sizing. A little too much space between the non threaded side and the ball. Good quality though can't complain too much.
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5 Posted on 8/12/2019    by Tosha
Verified purchase 6g  
Great weight to them. I really love that the ball screws into place.
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4 Posted on 12/13/2018    by Bryan
Verified purchase 2g  
Really nicely made ring, but do not try to use if for stretching. Due to the nature of the design, the ends of the ring are not flat, this leaves two sharp, raised edges on both ends of the ring. Not only are they fairly sharp, but they don't have a good flat surface by which to mate up with a taper. It's an overall good piece of jewelry, but not suitable for stretching
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5 Posted on 10/2/2018    by William
Verified purchase 15mm  
Received the 15mm Monster rings today. They are heavy but comfortable to wear (l love heavy rings). My left ear is actually stretched to 22mm so the 15mm ring hangs nicely. My right ear is 15mm so it was a tight fit to insert but nothing a little vitamin e oil couldn't fix
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5 Posted on 12/20/2016    by jason
Verified purchase 00g/10mm  
these are great so far, they are heavy and do not hurt at all. The only thing that i didnt like is that it only came with one, its my fault for not reading it through properly so I'm buying another one. Great quality though.
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