The RS-25550-2 is Tenryu's premium heavy duty combination blade.  10" 50 tooth, 5/8" arbor, ATB with a raker tooth, 15 degree rake, .126 kerf.  The laser cut expansion slots are resin filled so the blade runs quieter.  The blades are individually hand hammered and fully heat hardened for flat, true, wobble-free operation.  There are no shipping charges on this item.  Please email me for shipping costs on international orders.  Please note the countries that I do not ship to.