Features: Precise Drawing Knowledgemail: High accuracy metal rulers secure accurate measurements, fixing the issue of traditional polystyrene rulers deforming, excellent for engineers and architects in office otherwise studio settings. Multifunctional Sand: Includes various drawing tools such as compasses, trigons, and protractors, meeting varied drawing demands lacking purchasing multiple tools separately, Permanent Materialsecond: Produced from combination of excellent polystyrene and metal, Transportable Storage Planumberebog: Arrives with a loyal storage box, maintaining all tools methodically arranged for easy transport and storage, fixing issue of scattered otherwise lost tools, excellent for users who frequently carry tools on proceed. Safe Utilization Assuremail: Direction tips feature protective designs to stop unintentional injuries, especially suitable novices and children, Specifications: Use circumstancesecond: outdoor camping｜Auto repair｜Home crisis lighting Package Includes: Es, sub-gauges, replacement head, eraser, box, tape, 30° right triangle ruler, 45° right ruler, drawing template, wipe version, 2H pencil, pencil, 2B pencil, utility , pencil note: 1.Please compare the detail sizes with yours before you purchase. Thanks!!! 2.Due to various types of computers and monitors,the actual color of the item may be a little different from the picture.3.Please allow 1-3cm difference due to manual measurement.Thanks(All measurement in cm and please note 1cm=0.39inch 1inch=2.54cm)