Features and Benefits: Item Package Quantity-2 US/Metric Master Cylinder Bleeder Kit-2pack Item Package Quantity-2 Similar to No. 803 but with economical plastic adapters Hose holder hose thread gauge and instructions. Similar to No. 803 but with economical plastic adapters. US adapters: Two 3/8-24 one 7/16-24 one 9/16-18 one 9/16-20 and two 1/2-20. Metric adapters: Four M10x1.0 two M10x1.25 one M11x1.5 two M12x1.0 one M12x1.5 and one M13x1.5. Hose holder hose thread gauge and instructions.