The 521 mini V2 by Coil Master makes DIY coil building a breeze and guarantees the build safety of your coils. Powered by a single 18650 battery, this is a handy compact mulitfunctional device designed as an Ohm meter, voltage drop checker, rebuilding and dry fire testing station (down to 0.1 Ohm). It is able to measure the resistance of your vape coils down to 0.05 Ohm and also comes with reverse battery and short circuit protection for extra safety.

Coil Master 521 Mini Tab Spec:

• 80 x 80 x 28mm Dimension
• 80g Weight
• Ohm meter
• Coil rebuilding deck
• 510 threaded Connection with spring loaded pin
• 0.1-9.9ohm Resistance Measuring Range
• 0.1ohm Resistance rate
• Coil burning
• 18650 Single Battery driven (Battery is not included)
• Reverse battery protection
• Short circuit protection
• Battery output voltage testing
• ABS Housing material

Coil Master 521 Mini Tab Kit Includes:

• 521 Mini Tab x 1
• Manual x