Tacro 12 Inch Triangular Civil Engineer Scale 12 in. triangular white civil engineer scale no.4787
Vocational-quality 12 inch white plastic scale. Divided: 10, 20, 30, 40, 50 and 60 parts to the inch.
Vocational-quality 12 inch white plastic scale. Divided: 10, 20, 30, 40, 50 and 60 parts to the inch.