EZ Quake Adjustable Cartridge Grip offers you the ability to easily adjust needle depth all while securely locking your required depth into place, avoiding any unwanted adjustments or slips while working _ It has a high grade stainless steel back stem and fits most vises _ FEATURES: -Upgraded click system of grips _ -Matte finished 1.12 Inch (28mm) _ -Ergonomic design provides support through the entire hand making it comfortable to work with _ -Compatible with all major cartridge systems allowing you the freedom to tattoo with the needles you prefer _ -2PCS different sizes Plunger Drive Bar included with each grip _ -Anodized for durability and available in 2 colors _ -Autoclavable _ Made and developed by EZ TATTOO