HIGH-QUALITY MATERIAL - Made of durable 0.08-inch thick polystyrene.
RELIABLE TOOL - Features a full 360-degree of long-lasting graduations and beveled edges.
EASY TO USE - Center cutout for easy lifting.
PRODUCT DIMENSIONS - Comes with one piece that measures 4 inches.
A PROFESSIONAL'S CHOICE - Alvin has been the professional's choice for drafting tools and drawing supplies for over half a century. Since 1950, we have brought quality and value to our customers. Our tools help bridge the gap between ideas and innovations. We are known for our wide selection of high quality tools at a fair price
