[Fit Models]: ONLY Fits For 250-Watt - Blender ( MB1001 Series), Does NOT match - or , Does NOT fit Any or NutriNinja - . [High Quality] : Food Grade Plastic and Stainless Steel , Each - substitute blade comes with a gasket and difficult plastic equipment on the bottom. Prior to use, examine every single gasket to it is 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 shouldn't included. Note: Light and assorted displays may cause the colour of the thing in the picture a piece different from the genuine thing. The dimension allowed error is +/- 1-3cm.