Feature:1. High Quality Material: Using brass material, finely carved and molded, the whole is precise and durable.2. Wide Application: Suitable for most tattoo motors, convenient for your operation and use.3. Simple Operation: The designed eccentric wheel can drive the tattoo needle to work, saving worry and effort.4. Convenient Adjustment: It can be easily adjusted with a wrench, making it more comfortable to use.5. Necessary Parts: Suitable for mechanical manufacturing or replacement parts, practical tools.Specification:Item Type: Tattoo Motor SuppliesMaterial: BrassNeedle Bar: Diameter: Approx. 3mm/0.12in, Height: Approx. 5mm/0.20inEccentric Inner Disc: Diameter: Approx. 14mm/0.55in, Height: Approx. 5mm/0.20inEccentric Outer Disc: Diameter: Approx. 16mm/0.63in, Height: Approx. 5mm/0.20inInner Hole Diameter: Approx. 1.5mm/0.06inFixed Hex Socket Screw: Approx. 1.5mm/0.06inCharacteristics: High quality motor machine parts cam, brass material with stable performance.Reminder: This eccentric wheel cannot adjust the needle length.Package List:1 x Tattoo Eccentric Wheel1 x Hex Wrench