Scale Rulers

Adjustable Triangular Scales

Change units simply by rotating dial at either end of scale. Solid aluminum. 12" measuring length, exact calibrations. Engineer Scale adjusts to 10, 20, 40 and 50 parts to the inch. Architect Scale adjusts to 1/16, 1/8, 1/4, 1/2, 1:1 and 2:1. 12" to 32nds scale.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Adjustable Triangular Scales

Change units simply by rotating dial at either end of scale. Solid aluminum. 12" measuring length, exact calibrations. Engineer Scale adjusts to 10, 20, 40 and 50 parts to the inch. Architect Scale adjusts to 1/16, 1/8, 1/4, 1/2, 1:1 and 2:1. 12" to 32nds scale.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.

Mars Triangular Scales

Versatile three sides with six different scales. White plastic; 12" length. Architects: Open divided 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, and 3 = 1 foot; Full divided inches to 16ths. Engineers: Full divided 10, 20, 30, 40, 50 and 60 parts to the inch.