Note: There is a small amount of wax on the front of the product to protect the nib. Please do not judge the color of the product by the color of the wax. specification: _x000D_Item Type: Tattoo Pen Core_x000D_Material: Stainless Steel_x000D_Quantity: 20pcs / Box_x000D_Optional Color: Black, Green, Blue, Purple_x000D_Nib Diameter: Approx. 1.6mm / 0.1in_x000D_Length: Approx. 11.6cm / 4.6in_x000D_Uses: Used for positioning and marking before tattooing Features: 1Used before tattooing or piercing for positioning and marking, practical for use. 21.6mm fine nib can make the line accurate and clear, easy to operate. 3You can use it to paint directly on the skin, it is not easy to erase, no fading. 4Made of quality material, non-toxic and harmless, safe and eco-friendly. 520pcs of tattoo marking pen cores are available for use, enough to satisfy your needs. PackageList: 20 x Pen Cores