The stanley 12 136 sweetheart premium no4 bench plane is a great choice for woodworking projects of all types and sizes the base and frog cast as one to allow the plane to run smoothly over the stock with little to no chatter and a heavier body for increased performance the precision machined base is flat to 003in and the blade is made of a2 steel for increased edge retention and has a patented lateral adjustment locking feature solid brass adjustments for smooth operation and cherry wood fsc wo