The Enzo Black Abyss Adjustable Pen is the latest upgrade to an established tattoo pen range, they keep getting better and better, and for the price is hard to beat. The adjustable stroke ranges from 2.4 to 4.2mm in 0.3mm increments. With some aesthetic changes for a smoother look and feel, It now features a bigger more powerful high performance Japanese Motor. DO NOT adjust the stroke in use. Brand: Enzo Abyss Pen Height: 5" inch tall Grip Width: 1" inch wide Pen Weight: 5.8 oz Operating Voltage: 6 – 7.5V Cartridge Comparability: Works with all standard cartridges. Needle Stroke: 2.4mm, 2.7mm, 3.0mm, 3.3mm, 3.6mm, 3.9mm, & 4.2mm Connection: RCA Cord (Included) Motor: Performance Japanese motor (6,500 RPM) Warranty: 3-Month Warranty.