[PACKAGE INCLUDES] Each set include 1 pc premium aluminum scale rulers and nice ruler cases. [3 SIDED DESIGN] The classic architect's triple-sided scale included: 1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, 16, convenient and useful for professional use. [NON FADED TECHNOLOGY] Laser etched scales never fading. Architect ruler with durable laser cut imperial prints for accuracy. [FOR PROFESSIONAL USE] - This drafting tools are designed for drafting and measure architectural drawings, like floor plans and blue prints. Use as a blueprint ruler, contractor or construction ruler. [100% MONEY-BACK GUARANTEE] - If you’re not satisfied with the product, you can return the product and get refunded quickly.