Home / Measuring Tools / Square, Lufkin 6″ Tri-Square No. 139 View cart “Micrometer Standard, Depth, Size Control, Mike Master ,500″ to 5.500″” 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 Depth Gage, Geneva, Made in Chicago .075″ x .0005 $49.00 Add to cart QWIC-100 Model 1000 Length Gage, General 12″ Rule, Federal B70 Dial Indicator, .001″ Resolutin, Range .125″ $79.00 Add to cart Micrometer Standard, Mitutoyo 4″ $15.00 Add to cart Micrometer Standard Set Mitutoyo 1″-5″ $75.00 Add to cart