SPO35 = 1/2" shank x 1/2" cut dia. x 3-1/2" over all length x 1-5/8" cut length Compression spiral router bit
This bit is like the SPO31, only it has 1/2 inch longer overall length, and a longer cut length. This bit gives a clean cut on the top and the bottom of the board.
If your looking for onsrud 60-173, vortex 3152, whiteside UD5162, amana 46190, or s.e. tool SUD565 you should try our SP035 made in Salem Oregon USA.