1. It is designed to fit for blender, operation is very quiet. 2. Using food highstrength material, super toughness, not easy to deform, easy to clean. 3. Blender blade , the damaged or old blade can be directly replaced. 4. The blade replacement, it is 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: .9 x 3.5cm/3.5 x 1.4inch(L x W) Weight: .159g/5.6oz Installation : (replacement of the blade is a very simple process) 1. For wrench or a pair of medium-sized pliers is required (not included). 2. Place in the clearance of the fixed nut. 3. Hold the handle and rotate it counterclockwise while adjusting the jaws in the space. This will loosen the fixing nut. colour:Silver Material:stainless steel Package Contents: 1 x Blender Blade Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.