1. It is designed to fit for blender, operation is awfully quiet. 2. Using food high?strength material, great toughness, not easy to deform, clear to clean. 3. Blender blade , the broken or previous blade would be straight replaced. 4. The blade replacement, it's easy to mash green vegetables, stems, seeds, and fruits. 5. The blade has double leaf, replacing the blade is a very simple process. Item Type: Blade Assembly Size: x 3/3 x 1(L x W) Weight: /5 Installation : (replacement of the blade is an easy process) 1. For wrench or a couple of medium-sized pliers is needed (not included). 2. Place in the clearance of the constant nut. 3. Hold the manage and rotate it counterclockwise whereas adjusting the jaws in the space. This will loosen the solving nut. colour:Silver Material:stainless metal Package Contents: 1 x Blender Blade Only the above kit content, diverse item are not included. Note: Light and diverse reveals may cause the colour of the thing in the picture a little bit diverse from the real thing. The size allowed error is +/- 1-3cm.