2130-1 Size: 12" Features: -T-Squares have a 1.5" tempered aluminum shaft which is calibrated in inches and centimeters.-Black ABS plastic heads are lightweight and nearly unbreakable.-Aluminum shaft is made in El Salvador.-Plastic head is made in the U.S.A. Options: -Available in a wide range of size. Color/Finish: -Color: Silver. Specifications: -Heads are secured with 5 screws instead of rivets.