The kit includes the Geek Vape 521 Tab Mini Ohm Meter, slotted screwdriver, cross screwdriver, elbow pliers, diagonal pliers, scissors and ceramic-tip tweezer. The kit is full of necessary for all building enthusiasts, whether for everyday usage or experimentation. The 521 DIY Master Kit V2 features precise accuracy, test fire station, OLED screen and a spacious build deck. Equipped with high grade brass-plated 510 elastic poles the kit offers readings down to 0.01omhs with precise ratings for accurate readouts. The 521 DIY Master Kit V2 utilizes a single 18650 battery with three-way selector which allows the user to switch from off, to ohm reader position, and firing setting capable of firing atomizers down to 0.1ohm. This convenient package allows for optimal maintenance and general vape care. An essential compact case for building enthusiasts, the 512 DIY Maser Kit V2 by Greek Vape is a tool kit that has it all.