About Labwork： Labwork is an Auto Parts One-Stop Solution brand of more than 10 years, which specializes in providing global customers with top-notched quality automotive parts & accessories . If you need any auto parts, its enough to come to Labwork. Features： A set comprehensive vacuum pump & vacuum tester brake bleeder kit allows testing of many vacuum operated systems. Made of high quality alloy steel and plastics, which is resistant to corrosion, durable and practical. Portable tool includes different adapters designed for most vehicles, the control switch can be switched on the positive and negative pressure mode. .