Staedtler Products - Staedtler - Halfpipe Pen-Style Compass, Metal, 12" Maximum Diameter, Blue - Sold As 1 Each - Unique pen-style design with safety cap and pencil clip. - Precise equal-spread mechanism. - Metal barrel with soft rubberized grip and handle. - Lead storage compartment. - Includes compass, safety cap and four 2mm HB leads.