Product Description: Specification: Size: 33mm Color: as shown Item Name: Sprocket Washer. Fitment: This is non original aftermarket parts, please check the pictures for compatibility before buy it . Fit STIHL 064, 066, MS640, MS650, MS660, MS661 Magnum Replace OEM: #00009581029 Feature: With High Modulus,Lasting Durability,Light Weight and Strong Features Resists abrasion and corrosion; Ensures lasting durability; Maximizes performance. They are built to maximize the performance are made from high-quality materials. Sprocket washers fit between the drive sprocket and E-clip. They also have a tendency to disappear at inopportune times, so we recommend having a few extras in your toolbox. Package Includes: 1x Sprocket Washer,as the picture. NOTE : We are not responsible for tariff, if the customer refused to sign, Back and forth the freight is borne by the customers themselves.