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 Set 1/2″ to 5/8″, Imcomplete $75.00 Add to cart Rule Clamp Holer, Starrett No. 299 $15.00 Add to cart Gage Blocks, Mitutoyo Square , .022″ .900″, .950″, 1″, 2″ $19.00 Add to cart Square, Brown & Sharpe No. 542, 4-5/8″ x 7-1/8″ $75.00 Add to cart