long mouth deep hole long head marking pen black waterproof durable ink fine head marker woodworking special mark pen 20mm

black [oily 9512]] red [oily 9512]] blue [oily 9512]] mixed color [three colors are equally divided]]

10 pcs [large capacity ink can be added]] 8 pcs [large capacity ink can be added]] 5 pcs [large capacity ink can be added]] 3 pack [large capacity can add ink]] 1 pack [large capacity ink can be added]]