[Fit Models]: ONLY Fits For 250-Watt - Blender ( MB1001 Series), Does NOT fit - or , Does NOT match Any or NutriNinja - . [High Quality] : Food Grade Plastic and Stainless Steel , Each - replacement blade comes with a gasket and hard plastic kit on the bottom. Prior to use, examine every single gasket to it's not damaged, and it is permanently seated within the blade. Material: plastic colour: black Package Contents: 1 x Slotted knife holder 1 x knife holder Only the above package content, other merchandise usually are not included. Note: Light and assorted reveals could cause the colour of the object within the photograph a bit diversified from the real thing. The size allowed error is +/- 1-3cm.