PERFETSELL professional compass draw up perfect circles,ideal for students, teachers, artists, architects, mathematician, engineers, woodworking and carpenter for drawing and drafting project . Feature : 1 , Made of by all metal with nickel plating, very sturdy and durable compass/divider, can be use for a long time . 2,With spring bow head and center wheel prevents unintentional leg movements. 3,Allow creates circles up to 10 inches in diameter. 4,6 extra lead, 4 lock screws and nuts. 5,all in clear, reusable pouch for easy to carry and store . Package include : 2 x professional compasses 6 x leads replacement 4 x lock screws and nuts.
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