It is designed to fit for blender, operation is awfully quiet. Double stainless steel bearings withstand heavy use and operate quietly Twin bearing, double sealed design for greater mixing and blade existence Stainless metallic is than assorted blades to augment blending Made for Advance 15978, 16016, 15981, and 16019 containers Colour:silver Material:Stainless metallic Package Contents: 1 x blender blade Only the above package content, different item shouldn't included. Note: Light and diverse reveals could cause the color of the item in the picture a little bit varied from the real thing. The measurement allowed error is +/- 1-3cm.