Sufficient quantity: you will receive a woodworking pencil refill kit, including 36 pieces of thick graphite refills, 18 pieces in red, 18 pieces in black, sufficient quantity for you to replace woodworking pencils, also a complete and rich combination that can help you get work done more easily and quicklyMore suitable for woodworking: these 2.0mm dry pencil refills are thicker and stronger, will not easily break or be damaged during the construction process; You can complete your drawing work effortlessly without worrying that the pencil s would crack and influence the processEffective distinction: these mechanical pencil refills are available in 2 different colors; You can mark points with different colors according to different needs in the working process, which can be distinguished easily and obviously, saving you from a lot of troubles and mistakesConvenient and helpful: there are enough HB refills for each color matching; Just pack them with boxes, and you can replace the pencil refills in time when you need them to help you complete the woodworking and construction work betterServiceable: the 2 colors replacement pencil s can replace the woodworking construction pencil s as they are thick themselves, which can be applied to do the construction work, helping you to do the woodworking construction workSpecifications:Refill size: 2.0mm in diameterColour:Red+blackMaterial:GraphitePackage Contents:1 set * refillsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.