Uni K:

Material: Aeronautical aluminum

AVA OEM Wire Brush DC Motor

Power consumption: 5W

Engine speed: 10500 rpm

Stroke: 2.5-5.0mm Internal adjustable stroke, 5 Options（2.5,3.5,4.0,4.5,5.0）

Needle protrusion: 0-5 mm

Battery type: 18500 Lithium-ion， 1600mAh

Nominal capacity: 1600 mAh

Size: 127mm* 32mm

Grip Diameter: 39mm and 32mm

Weight: 218g (without battery)