Compass twist locking feature secures the legs in place for easy drawing. Retractable safety point automatically retracts when you close the compass legs! Measurement arm graduated in both inch and metric. Ergo dynamic compass design, fits smoothly into any hand. Pencil Included. 6" shatter-resistant protractor made with translucent material and beveled edges, for easy pickup and use. Assorted colors (red, blue, green, & orange).