Specifically designed for removing Delphi/Bosch diesel injectors. Adaptors can also be used with an air tool to loosen the injectors by vibration. Set of 2 adaptors plus a special tool for removing the internal part of Bosch injectors. Adaptors can also be used with an air tool to loosen the injectors by vibration.Suitable for use with the Laser Slide Hammer with 5/8" UNF thread - Part No. 4811. Includes 2 injector adaptors and special tool for removing the internal part of the Bosch injectors. Kit includes a M20 x 5/8 UNF Slide hammer adaptor.