6 ½" Alvin Speed Bow Compass Draw 12" Diameter Circles

The 6½" speed-bow compass by Alvin has smooth-action rapid adjustment. Constructed of cast zinc with black fiberglass crown the bow compass features double knee joints for parallel leg positioning and precise drawing of large circles and arcs. With compass draw circles and arcs up to 12" diameter. The 6 ½” speed bow compass is packaged in hard, see-through plastic case with spare lead, shipping weight 0.40 lb. shipping dimensions 8.00 x 3.00 x 0.80 inches