Introducing the Lufkin 954FTN 1-1/4” x 4′ Tinner’s Circumference Steel Rule, a must-have tool designed specifically for tinners and other sheet metal workers who demand precision and durability. Crafted from tempered medium-weight steel, this rule offers resilience under tough working conditions. The clear black markings ensure easy reading, enhancing efficiency during measurements.

The front side of the Lufkin 954FTN 1-1/4” x 4′ Tinner’s Circumference Steel Rule is carefully marked in inches to 1/16ths on the upper edge, perfect for quick linear measurement. On the reverse, you will find indispensable formulas for calculating circumference, diameter, and area, making this rule a valuable tool for complex projects.

Additionally, the lower edge of the Lufkin 954FTN 1-1/4” x 4′ Tinner’s Circumference Steel Rule is marked up to 150 circumference inches in 1/8ths increments, providing extended range for circular and arc measurements. With a hole in one end for convenient hanging, this steel rule is designed for easy storage and accessibility. Ideal for those in the sheet metal field, this rule combines functionality with precision to help you achieve accurate results every time.