• 4g Internal Blackout Steel Circular Barbell — Price Per 1 - Painful Pleasures
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4g Internal Blackout Steel Circular Barbell — Price Per 1

SKU: UR372-13mm-8mmball

Pro Price $2.99
MSRP: $7.99

Single Item
Diameter
Ball Size

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  • Buy 1+ $2.99
  • Buy 2+ $2.99
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38 available

Multiple Items

Need a larger amount? Make a quick order.

$2.99

13mm ~ 1/2" / 8mm ~ 5/16"

UR372-13mm-8mmball

38 available

$0.00

$2.99

16mm ~ 5/8" / 10mm ~ 3/8"

UR372-16mm-10mmball

78 available

$0.00

$3.04

19mm ~ 3/4" / 10mm ~ 3/8"

UR372-19mm-10mmball

61 available

$0.00
Total: $0.00
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Description

4g Stainless Steel Circular Barbell with PVD Black Coating — Pick Diameter — Internal 2mm

This 4g stainless steel circular barbell is a stand-out, reliable accessory that can be worn in a variety of piercings. The jewelry has a PVD black coating for durability and an eye-catching jet black finish. It comes in your choice of diameter, ranging from 1/2" up to 3/4"; all sizes come with 8mm or 10mm stainless steel balls with PVD Coating which both unscrew. The circular barbell has Internal 2mm threading and is 316L Stainless Steel, PVD Coated.

Specifications:

  • Material: 316L ASTM F-138 Implant Grade Stainless Steel
  • Gauge: 4g (~5mm)
  • Diameter: 1/2"–3/4" (~13mm–19mm)
  • Ball Size: 8mm, 10mm; varies based on diameter
  • Threading: Internal 2mm
  • Price per one circular barbell
Product Weight: 0.0388 lb

Size Table

Standard Body Jewelry Measurements

The following webchart is a quick reference guide for standard body jewelry measurements and how to measure basic body jewelry. Please print this webchart to help measure your body jewelry accurately.

Standar Body Jewelry MeasurementsJPG (300 KB)

Visit our PainfulPleasures Infocenter for additional body jewelry information. There, you will find detailed articles on standard body jewelry sizes, how to measure body jewelry, basic body jewelry, and more.

Standard Body Jewelry Threading

Ensure compatibility between standard (non-custom) PainfulPleasures body jewelry parts using the tables below. More information on threading, including custom thread patterns, can be found in our Threading Infocenter article.

Internally threaded jewelry has a threaded post on the top and/or end, which is then inserted into a threaded hole in the barbell shaft.

Internal Thread Patterns by Gauge

Gauge

18g, 16g

14g, 12g

10g–00g

Internal Thread Pattern

0.8mm or 0.9mm

1.2mm

2.0mm


Externally threaded jewelry has a threaded post on the barbell shaft, which is then inserted into a threaded hole in the top and/or end.

External Thread Patterns by Gauge

Gauge

18g, 16g

14g, 12g, 10g

External Thread Pattern

1.2mm

1.6mm

Shipping & Returns

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Safety & Compliance Info

All product compliance documentation, including SDS, sterilization records, and other relevant information, can be found in our Web Viewer platform (link opens in a new window). Search by product name, brand, or SKU to view available documents.

Overall rating: 5.0 / 5 from 4 reviews.

AI Generated Review Summary

Summary topics

Review topics: ["quality"].

Review highlights

Reviews

Love the prompt service

"Love the prompt service"

— Steve T. (5/5)

Love it

"Love it"

— Alexx B. (5/5)

Black circular barbells

"I love them! I love the weight and how they feel and look"

— Steve T. (5/5)

Excellent Quality

"Just as described and very well made! Will definitely be ordering more."

— Nick C. (5/5)

Q&A

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