Modern, ergonomic compass perfect for all ages! Features a twist-lock secures the legs in place for accurate circle size and guaranteed precision. Innovative Safety Tip automatically retracts when you close the compass legs, to avoid potential injuries in a bag or case. Integrated distance measuring arm is graduated in both inch and metric. Dual graduated measuring arm with easy to read viewing window.Details:Includes an assortment of red, green, blue and orange (no color choice) 12 pack of compasses Compass circles up to 12" (30.48 cm)Tip automatically retracts with you close the compass legsErgonomically designed head