Alcohol Oily Double-Headed Marker Pen Set $ 10.29 Specification: Shape: Round head oblique head Color classification: A: 12 commonly used colors [c7688-12] B: Commonly used 24 colors [c7688-24] Cl commonly used 36 colorsc7688-36 D: Commonly used 48 colors [c7688-48] E: Commonly used 60 colors [c7688-60] F: Commonly used 80 colors [c7688-80] writing thickness: 2.5mm 6mm Whether double head: Yes Pen type: Oily pen