Aluminum Rulers, Squares -Mason Carpenter Engineer Carpenter's Square Highlights Generic Brand Mason Carpenter Engineer's Square Carpenter's Square Description: Square stainless steel ruler woodworking tools carpentry carpenter engineer ruler precision material: stainless steel Mainly used in work wood, Leather Craft drew cut lines at 90 degree angles. The scale is clear and easy to read, scales are etched on both sides of the blade for long life Size: approx. 30 x 12.5 x 1.0cm / 11.8 x 4.92 x 0.4inch Specification: Color: silver Package includes: 1 piece Square Ruler Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in the size.