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 Optical Comparator Jones & Lampson 14″, Model PC-14 Item # L75014 $695.00 Add to cart Gage, Thickness, Mitutoyo No. 7326 .0001″-.050″, No. 2804-10 Indicator, Made in Japan $75.00 Add to cart Square Rule, Mitutoyo 24″ /600MM Blade For Combination Set, NOS $75.00 Add to cart Rule Clamp Holer, Starrett No. 299 $15.00 Add to cart