Features: 1.Function: A specialised tool used to assist the extraction of the copper washers used to seal diesel injectors where they enter the cylinder head. 2.Thoughtful Design: Ergonomically designed slide hammer is comfortable to touch and use, also easier to remove seals. 3.Easy Operation: The sealing washers sit at the bottom of the orifice, so just screw the tip into the seal and pull out with the help of the slide hammer. 4.Features: Long enough pull rods and heavy enough slide hammers are easier to use. Professional manufacturing, fine workmanship, reliable quality, 5.Durable Construction: The removal tool is made of carbon steel, which is hardness, not easy to deform, sturdy and durable and has a long service life. Specification: Item Type: Diesel Seal Puller Removal Tool_x000D_ Material: Carbon steel_x000D_ Tip Diameter: Approx: 4.5 mm/0.17in(minimum) to 13.2 mm/0.51in (maximum)_x000D_ Application: Automotive General Purpose (generally used in commercial vehicles) Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_ 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.