The Neilsen Diesel Injector Seal Puller is a specialized tool designed to remove stubborn seals and washers from diesel injectors. With a cone-shaped end, it easily fits into tight spaces to effectively pull out the seal. This single item tool, specifically designed for diesel injectors, is a must-have for automotive mechanics and DIY enthusiasts looking to repair or replace seals without causing damage to the injectors. Made by Neilsen, a trusted brand in automotive tools, this seal puller guarantees quality and reliability.