Cutting Machine GW4028Z(S-280Z): Same as GW4028A just band saw blade cutting in the middle of the vice. Cutting Machine GW4028Z(S-280Z) : ... Item NO:GW4028Z(S-280Z)Maximum Cutting CapacityRound280mmSquare220*400mmRectangle220*400mmSaw bladeSpeed22/41 ... saw blades,tool box,manual instruction,feeding holder Cutting Machine GW4028Z(S-280Z)