- ZWILLING Four Star 6" Slicing KnifeRegular Price Product was previously at: $148.49 $148.49 Special Price $118.79Sorry, currently not available for purchase.ZWILLING Professional 'S' 8" Slicing KnifeRegular Price Product was previously at: $189.99 $189.99 Special Price $151.99Available online Available in storesZWILLING Professional 'S' 6" Slicing KnifeRegular Price Product was previously at: $154.99 $154.99 Special Price $123.99Available online Available in stores