2UUL DA86 Mini Grinder, a cordless engraving pen designed for phone repair.It features 5-speed adjustable gears, a direction switch for forward and reverse, and is compatible with various grinding heads.The device is powered by a 320mAh rechargeable lithium battery charged via USB Type-C

Relife RL-068C smart rechargeable mini sanding pen.t is a multifunctional tool suitable for motherboard grinding, polishing, chip removal, and cutting.The pen features 3 adjustable gears for speed control and operates at a maximum speed of 12000r/min. It includes a 650mAh capacity battery that charges via DC 5V.

2UUL DA84 CVT Grinder Pro, a specialized rechargeable tool designed for mobile phone motherboard repair.It operates at a rotating speed of 18000R/min and features a battery capacity of 3400mAh.The package includes the grinding pen along with various precision bits for tasks like polishing and BGA removal.

2UUL DA81 rechargeable polishing pen features a teal-colored body and multiple speed settings for precision repair work.It comes with five different grinding heads designed for tasks like IC chip grinding, motherboard cutting, and edge polishing.The tool is designed for ergonomic comfort, utilizing a "long gourd" shape that is easier to hold during high-speed, low-vibration operation.It is powered via a USB connection and is specifically intended for mobile phone and tablet repair.

Koocu EP-2 CVT grinding pen designed for phone repair and precision tasks.The handheld tool features a digital display showing battery or speed level.It is a rechargeable device used for tasks such as chip polishing and frame correction.

Lanrui F2 Micro Grinding Pen, a specialized tool for precision tasks like phone repair.It features 3-speed adjustment with a maximum speed of 20,000 RPM for efficient grinding and polishing.The set includes a rechargeable grinding pen and multiple interchangeable grinding heads for various applications