Arbor Press Kit ACTUAL WORKING MODEL OF AN 1890's ARBOR PRESS NOTE: Machining &Assembly required. IT'S NEW! That is what they were saying about the Arbor Press in the 1890s. It was a new invention then and it is still a great tool. Well, it is new again! It is new in our line, and you will not find a better Arbor Press anywhere. The PM Research model can be fitted in your pocket! No other production manufacturer can make that claim. The 1/12th scale Arbor Press measures 2" wide by 4¾" high. The kit is complete with four easy machining aluminium castings, all required hardware, material, bar stock, and complete working drawings.