Not so on my mill. Those crazy plastic handles just lock the gib on the dovetail.deere_x475guy said:My self I don't think I would have removed the other table lock. Using just one all the to the far right is bound to cock the table just a bit. If your side milling a long part in the Y axis it may not be a perpendicular cut now. I lock both of mine on my full size knee mill just to be sure.