Features: Achieve a secure and long lasting seal with these topquality o rings compatible with various pressure washers. Made from durable rubber material, these o rings provide excellent waterproof and dustproof properties for reliable performances. Designed for professionals and enthusiasts in the automotive industry, these o rings are essential for maintaining and repairing a wide range of vehicles. Enhances your gardening and irrigation experience with this versatile set of o rings suitable for a variety of applications in outdoor settings. Keep your equipment running smoothly with this convenient pack of o rings, offering reliable sealing solution for different machinery and system. Specifications: Material:ABS+Rubber Size:As Picture Shown For K2 K3 K4 Part Number:2.640-729.0 Quantity:20pcs/37pcs Package Includes: 1 Set O-Rings Seal note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. ②.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings.