Troika redefines pencil technology with the HB Construction Endless Pencil. This Pencil requires no more sharpening and there is no need to worry about broken leads. The Troika Construction Endless Pencil features a permanent and endless HB writing tip for up to 12.5 Miles (20 km) of written word. The HB hardness tip is replaceable, erasable and unbreakable. Each Troika Endless pencil has a six sided aluminum barrel with the Troika CONSTRUCTION design with a centimeter/inch ruler and 1:20 and 1:50 architectural scales. 

• CONSTRUCTION ENDLESS pencil - sustainable endless writing - 1 pencil = 20km (12.5 miles) writing length
• Ideal for all craftsmen, carpenters, bricklayers, concrete and reinforced concrete builders
• Sustainable lead - erasable, unbreakable, replaceable, does not need sharpening
• Refill has 0.005mm lead wear per written meter/yard