Product Description
Alvin 1101P engineer's scale ruler. 12" plastic triangular scale is ideal for scholastic and vocational use. Satin finish, high-impact white plastic with tapered edges. Sharp, easy-to-read graduations resist wear. Engineering graduations: 10, 20, 30, 40, 50, 60 parts to the inch. Great for school and student use. Alvin engineer scale ruler.