Note: Please allow slight error due to manual measurement. Thanks for your understanding. specification: Item Type: Tattoo Marker Pen Ruler_x000D_Material: PP+Paper_x000D_Product Size:_x000D_Blue Single Head Marker: Length: Approx. 16.8cm / 6.6in, Pen Tip: Approx. 0.02in_x000D_White Double Headed Marker: Length: Approx. 14cm / 5.5in, Pen Tip: Fine Tip: Approx. 0.02in, Thick Tip: Approx. 1.0mm_x000D_Gray Double Headed Marker: Length: Approx. 14cm / 5.5in, Pen Tip: Fine Tip: Approx. 0.02in, Thick Tip: Approx. 1.0mm_x000D_Ruler Measuring Range: 0-15cm, 0-6 Inches_x000D_Use:_x000D_Marker: Tattoo, eyebrow tattoo, lip tattoo, line drawing before piercing, fixed point_x000D_Eyebrow Ruler: Measurement, auxiliary positioning Features: 1Fine And Thick Pen Head: There are two types of pen heads of 0.5mm fine and 1.0mm thick. The thickness of the line or fixed point can be selected freely, and the positioning is clear. 2Paper Positioning Ruler: Equipped with a soft paper positioning ruler, which can be bent to assist the precise positioning of the marker, and is convenient to use. 3Safe To Use: No peculiar smell, no irritation, mild and safe, no harm to the skin, can be used with confidence. Ergonomic design, easy to hold and operate. 4Easy To Clean: It is easy to clean and eliminate, and can be quickly cleaned with a special marker erasing pen or marker cleaning fluid, bring you convenience. 5Wide Application Range: It is widely used for tattoos, eyebrow tattoos, lip tattoos, beauty and piercings. 6 set of marker pen and ruler are available, meet your use needs. PackageList: 2 x Set of Blue Single Head Marker Pen (Each Set: Marker Pen x 1, Paper Positioning Ruler x 1) 2 x Set of White Double Headed Marker Pen (Each Set: Marker Pen x 1, Paper Positioning Ruler x 1) 2 x Set of Gray Double Headed Marker Pen (Each Set: Marker Pen x 1, Paper Positioning Ruler x 1)