The all-metal Creative Mark Lead Holder has a rubberized grip, anti-roll, hexagonal shape and degree indicator wheel at the top. Intended to be used as a technical drawing instrument, the Creative Mark Lead Holder Set can create skillfull and precise line work but can also be used for thick shading in more creative endeavors. This set includes the lead holder, 5.6 mm artist-grade graphite stick as well as six 4B replacement graphite sticks. The indicator wheel can be adjusted to show the degrees of lead darkness up to 4B. Perfect for technical drawing and sketching, the Creative Mark Lead Holder makes an excellent addition to any person in a technical or design professions' arsenal.