1Aluminum Alloy Material: The tattoo cartridge grip is made of aluminum alloy. The length of the needle can be adjusted by rotating the handle. There are 4 levels, and the interval between each level is 1mm 2Easy to Clean: The tattoo cartridge grip is easy to clean and maintain, with a diameter of 3.1cm tattoo handle, easy to use and stable to use 3Light Weight: The tattoo cartridge grip is light weight and easy to use, which can reduce long hours of work fatigue 4Non Slip Texture: The tattoo cartridge grip has a non slip texture, which can increase friction and better fix the tattoo bandage, or using directly 5Scope of Application: Suitable for tattoo needles commonly used in the market, coil machine, motor machine, dragonfly machine are also suitable for use, suitable for professional tattooists