The stanley sweetheart 12 137 no62 low angle jack plane is made from extra thick 316in a2 steel for superior edge retention a one piece precision ground frog and base casting and a limited lifetime warranty the stanley no 62 is 63mm wide by 350mm long with a 50mm wide blade thats installed bevel up without a cap iron jack planes with bevel up irons are among the most useful planes because they can be used in place of a jointer plane on short boards and for smoothing the front knob and tote are g