Home / Measuring Tools / Square, Lufkin 6″ Tri-Square No. 139 View cart “Micrometer Standard, Metric, Calibration Stand 25MM to 300MM” 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 Gage Pin,Incomplete Set 5/8″ to 3/4 $75.00 Add to cart Square, Combination, Attachment, 289A , For 1″ Blades $25.00 Add to cart Micrometer Standard, Depth, Size Control, Mike Master ,500″ to 5.500″ $249.00 Add to cart Optical Comparator Jones & Lampson 14″, Model PC-14 Item # L75014 $695.00 Add to cart