Home / Measuring Tools / Square, Lufkin 6″ Tri-Square No. 139 View cart “Gage Pin,Incomplete Set 5/8″ to 3/4” has been added to your cart. Square, Lufkin 6″ Tri-Square No. 139$39.00 1 in stock Add to cart Category: Measuring Tools Description Description Lufkin 6″ Tri Square No. 139 Related products Micrometer Standard, Depth, Size Control, Mike Master ,500″ to 5.500″ $249.00 Add to cart Depth Gage, Geneva, Made in Chicago .075″ x .0005 $49.00 Add to cart Gage, Thickness, Mitutoyo No. 7326 .0001″-.050″, No. 2804-10 Indicator, Made in Japan $75.00 Add to cart Micrometer Standard Set Mitutoyo 1″-5″ $75.00 Add to cart