?Package Included?You will get 10 x long nib markers. Long head deep hole markers contain 5 different colors(black, white, red, green, blue), each color is 2 pieces. Sufficient quantity can meet your uses and replacements. ?High-Quality Material?The construction markers are made of premium PP material, strong and sturdy. The nib is thin and round, the handwriting is not easy to fade, easy for you to handle. ?Deep Hole Mark Nib?Size of the nib is 20 x 1.5mm. Long head deep hole marker nib features an elongated nib that can fit between narrow gaps or write inside small spaces. ?Fast Dry?Long nib marker is quick dry, and waterproof, and the color not easy to fade. So you dont have to worry that the handwriting will faint after writing. ?Wide Use?This long nib deep hole pens can be applied on a variety of surfaces, such as wood, metal, glass and plastic, suitable for home decoration, hardware processing, automobile manufacturing, industrial processing and more.