Alvin Speed Bow drafting compass with dividers. This drawing compass set includes a 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, screwdriver, 0.5 fine line pencil and tube of lead. Alvin 729JS speed bow drafting compass set is made in Germany.