Rotary Tattoo Pen Kit Complete Portable Liner Shader Tattoo Power Supply Kit for Beginners 90‑265V US Plug Item Type: Tattoo Pen Kit Material: Aluminum, plastic, stainless steel, nonwoven fabric Product Description: 1. Tattoo pen Size: Long (without needle): Approx. 9cm / 3.5in Diameter: Approx. 3.2cm / 1.3in Out of The Needle Stroke: Approx. 3.5mm / 0.1in Needle: Universal 99% of the cartridge needles on the market Speed: 8V 9000r/m ± 10% Interface: 5.5 Male RCA 2. Tattoo Power Supply Output Current: 1.5A (Maximum) Size: Approx. 9.7 x 7 x 2.5cm / 3.8 x 2.8 x 1in 3. Tattoo Foot Pedal Cord Length: Approx. 1.4m / 4.6ft Use: Control power switch 4. Tattoo Grip Cover Size: Width: Approx. 2.5cm / 1in Length: Approx. 2m / 6.6ft Use: Wrap the tattoo pen, to play the effect of non slip.