MyLifeUNIT Drawing Compass Set, Stainless Steel Geometry Compass Tool Compass geometry tool set for engineering drawing, sketching geometric graph Stainless steel construction, durable material, professional tool Compass stand, 2 ruling pen, 1 extender, 1 replacing head and refill Best companion with MyLifeUNIT 2 mm pencil lead, ASIN: B01BTKI4AW All packed in a protective transparent box, portable, convenient to carry