THE 2-MINUTE RULE FOR MECHANICAL PENCILS

a standard construction of the ratchet-centered mechanical pencil A mechanical pencil or clutch pencil is actually a pencil by using a replaceable and mechanically extendable strong pigment core termed a "guide" /ˈlɛd/. several aluminum ferrules (the metal piece attaching eraser to pencil) are crimped that will help reinforce them. Photo: Michae