1、Reliable Use: The black refills are made of graphite, and the the red and yellow refills are made of tinted wax, waterproof. 2、Smart Design: Long length and fine tip enables easy work in hard to get area, not easy to break and won't get hands dirty. 3、Three Colour: Comes with three colours, red, yellow and black, which will satisfy your working needs in a variety of place. 4、Wide Utility: Enables flexible application in drawing and marking on metal, plastic, glass, wood, paper and other material. 5、24Pcs in All: There are 24pcs carpenter pencil refill in total, and the large quantity will simplify the replacement. 2 Box of Red and Yellow Dual Colour Carpenter Pencil Refills (3pcs Red and 3pcs Yellow)2 Box of 2.8mm Black Carpenter Pencil Refills Item Type: Carpenter Pencil Package Contents: 2 Box of Red and Yellow Dual Colour Carpenter Pencil Refills (3pcs Red and 3pcs Yellow)2 Box of 2.8mm Black Carpenter Pencil Refills