Features: Effortlessly upgrade your hydraulic steering system with this hydraulic seal installation tool kit. Made of durable metal and rubber materials, this kit ensures long lasting use in challenging marine environments. Designed for professionals in the ship repair industry, including ship repair workers, marine service centers, and ocean engineering companies. Perfect for replacing and repairing hydraulic steering cylinder seals on various types of vessels, including commercial ships, fishing boats, and private yachts. Convenient and user friendly tool that enables easy seal replacement and installation, whether onboard or at the dock. Specifications: Material:Metal Size:As Picture Shown Part Number: HS5157 HC5340 HC5341 HC5342 HC5343 HC5344 Package Includes: 1 Set Hydraulic Steering Cylinder Seal Kit 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.