Alvin® Combination Universal Speed-Bow Set
6" pencil compass/divider with center wheel and double break leg design. Creates circles from 1/8" and with beam bar to 21" in diameter. 4" combination pencil compass/divider. 6" divider with adjustable and replaceable needle points. Technical pen adapter, parts tube, and screwdriver. 0.5mm fine line pencil and tube of lead.