Our engineering triangle scale is made of aluminum alloy, which is very solid and sturdy. Designed for maximum durability, this 3-sided metal architect ruler is perfect for lasting use.With this bundle, you receive three professional-quality measuring tools at an affordable price: Tow 12-inch triangle rulers(black and blue each piece)and a straight edge ruler with measurements in centimeters and inches.

Quantity	100	1000	3000	5000	10000	30000
Price	$26.39	$25.29	$23.09	$20.09	$15.59	$10.79