Lufkin Combination Machinist Square With Center Finder & Protractor Tool 12. Lovely condition for it’s age. Missing the scribe but replacements available. Spirit levels all there and working. Protractor is free moving. Item is used so you should expect signs of use and age throughout such as scratches, marks, dust and fading. Anything major or more noticeable will be stated here and shown in the pictures – please do study them well.