Lufkin 72 in. L X 5/8 in. W Wood Extension Rule SAE

Slide Rule runs under friction in T-Slot. Stops at each end to prevents slide from falling out. Marked both sides and both edges. Spring joint wood rule with graduated slide that extends up to full 6'. Slide runs under friction in T-slot and has a stop at each end so slide will not fall out. Marked both sides and both edges to 1/16ths of an inch, 16" stud centers in red, regular outside markings. Numbering begins on inside of rule; measurement lies close to the work. To take an inside measurement; open rule to within 6" or less of the distance. Butt square end against one side of opening. Extend slide until it strikes other side. Add measurement on slide to that shown at other end of rule for an exact measure of the opening.

Lufkin produces rules of superior quality, using only high quality materials Crescent Lufkin is a proud brand of Apex Tool Group The crescent Lufkin line of products includes Power tapes, rules, long tapes, oil gauging tapes, measuring wheels, and a wide selections of special-purpose tapes The E. T. Lufkin board and log rule manufacturing company started in Cleveland, Ohio in 1869 Crescent Lufkin, the brand is a market leader for measuring products