![Davis 15" Parallel Rules [061]](http://cdn.shopify.com/s/files/1/2770/0418/products/31942XL_{width}x.jpg?v=1602895608)
![Davis 15" Parallel Rules [061]](http://cdn.shopify.com/s/files/1/2770/0418/products/31942XL_grande.jpg?v=1602895608)
Parallel Rules
Completely transparent clear optical finish allows for exact plotting. Each 15" (38 cm) blade features large, easy-to-grip handles. Precision molded for accurate straight line plotting
Quick Guide (pdf)
Quick Guide (pdf)