Home / Measuring Tools / Square, Lufkin 6″ Tri-Square No. 139 View cart “Gage, Thickness, Ames 0-1″, Indicator .001″ Graduations, Made in USA” 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 Square, Combination, Attachment, 289A , For 1″ Blades $25.00 Add to cart Depth Gage, Geneva, Made in Chicago .075″ x .0005 $49.00 Add to cart Gage Blocks, Mitutoyo Square , .022″ .900″, .950″, 1″, 2″ $19.00 Add to cart Square,, Combination, Union Tool Co. 12″ 8th, 16th, 32nd, 64th $49.00 Add to cart