Serrator Blade The new Serrator Blade technology means your blades will stay sharper for up to 12 times longer than a standard plain edge blade, which also come with a life time guarantee for added reassurance** Lifetime guarantee on the blade only. For full details please see terms & conditions within the instruction booklet. Independently tested by CATRA using the International Standard Cutting Test System to ISO 8442.5 vs a standard plain edge blade. Terms & conditions apply.600 W For powerful blending. Ice crushing ability Perfect for smoothies Easy release button No twisting, pulling or struggling