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  • Coil Master 521 Tab
  • Coil Master 521 Tab

Coil Master 521 Tab

Regular Price: $39.99

Special Price: $29.99

Availability: In stock


A true must-have for any serious vaper, the Coil Master 521 Tab is an indispensable tool for users who enjoy custom coil builds. This remarkable device makes building coils exceptionally easier, more accurate and convenient. The Coil Master 521 Tab offers everything that a vaper needs to create and test atomizer coils efficiently, effortlessly and accurately in a unique all-in-one unit.


The Coil Master 521 Tab is built from high-quality ABS plastic, a material that is known for its strength and durability. This incredible device is equipped with an easy to read crystal clear OLED screen that displays a plethora of important information needed for accurate coil builds.

The Coil Master 521 Tab is truly the coil builder’s best friend; it offers a user-friendly operating interface that is easy to navigate and full of essential build information. This device features five unique capabilities that makes it the perfect all-in-one coil building device: Ohm Meter, Voltage Meter, Coil Building Deck, Testing Station and it is also a fully functional testing device so that builds can be tested while it is still attached to the 521 Tab.

Ohm Meter & Voltage Meter:

The Coil Master 521 Tab features an outstanding ohm meter that can detect resistances built as low as 0.01 ohms or up to 9.99 ohms. The Voltage Meter feature of the Coil Master 521 Tab accurately measures and reads voltage outputs of batteries from 0.3 volts to as high as 9.99 volts.

Coil Build Deck:

The Coil Master 521 Tab is equipped with a remarkable coil building platform that securely holds atomizers in place for foolproof coil builds.

Testing Station:

Coil Master knows the importance of testing and so has furnished the 521 Tab with the ability to test fire coils. This makes coil builds even more hassle free as necessary adjustments can be made before the atomizer is attached to a device.

Fully Functional Testing Device:

A truly multipurpose coil building device, the Coil Master 521 Tab can also be used to fully test a completed build. After completion of a coil build, a user can pop their cap / drip tip attachment to the 521 Tab and take a pull as if using their separate vaping device.

Coil Master 521 Tab Features:

  • Bright OLED Screen
  • Built from Durable ABS Plastic
  • Coil Building Deck
  • Ohm Meter
  • Voltage Meter
  • Test Station
  • Functioning Table Mod
  • Coil Building Precision
  • Broad Range of Voltage / Resistance Reading
  • Reverse Polarity Protection

Coil Master 521 Tab Specs:

  • Material: ABS Plastic
  • Threading: Spring-Loaded 510
  • Atomizer Resistance Range: 0.01 Ohms – 9.99 Ohms
  • Voltage Range: 0.3 Volts – 9.99 Volts
  • Minimum Resistance: 0.2 Ohms
  • Charging: 4.5 volts / 750mAh (via micro USB cable)
  • Battery: Single 18650 Battery (sold separately)
  • Dimensions: 49.5mm x 84.5mm x 69.5mm

Coil Master 521 Tab Includes:

  • (1) Coil Master 521 Tab
  • (1) Voltage Checker
  • (1) Micro USB Charging Cable
  • (2) Terminal Connectors
  • (1) User Manual
  • (1) Gift Box

Coil Master 521 Tab Functions:

  • I = Turn on Resistance and Voltage meter, Flashing ring light
  • II = Burning mode / fire lamp
  • O = Power Off

Coil Master 521 Video

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Customer Reviews

  • Overall
    Awesome device
    Review by Edon 5/9/16
    This thing does everything you need to make perfect coils. Between this and the CoilMaster jig, you can make the best coils you have ever made. It gives you all the info you need to know so you are safe and your coils fire right every single time. I love this thing.