Quality is what we care most. This lead set is suitable for carpenter pencils, tracing deep hole pencils, automatic mechanical pencils, woodworking markers, designer pencils, construction pencils, scribing pencils, drawing pencils, painting pencils, deep hole marking tools, long nose markers, etc. If your pencils also use leads that are 2.8mm in diameter and 4.73 inches long, then they are for you. Colored leads will perform well on surfaces such as metal, wood, tile, walls, concrete, and floors. They will work especially well on dark surfaces and rough surfaces. The pencil organizer can store 4 boxes of leads or 2 boxes of leads + 1-2 pencils, it protects pencils and refills well from the outside world, you can put it in your pocket or toolbox without any mess, and it is very easy to carry. HNXTYAOB mechanical pencil set also has pencil organizers, these are made to order, if you like these, please click in the link below. We will help you solve any problem you encounter in the quickest and most satisfactory way. Red Carpenter Pencil Set with Sharpener and Organizer,13 Refills 2.8mm Black Carpenter Pencil Set with Sharpener and Organizer,13 Refills 2.8mm 2.8 mm Pencil Refills for Carpenter Pencils Mechanical Pencils Organizer ✓ ✓ ✓ Carpenter Pencil ✓ ✓ Number of Refills 13 13 24