DISCONTINUED

This product has been discontinued. Midwest can source a wide range of items not listed on our web site or in our catalog. Please call customer service for details at (800) 831-5904.
Alvin Accurate instrument designed for use on inclined or horizontal boards and for tracing or dotting. Sturdy joint and arm construction ensures accuracy. Bars are seasoned hardwood with clear gray lacquer finish and have die-sunk graduations, with holes carefully drilled for accuracy. Adjustable nylon ratio thumbscrews assure smooth, easy movement.