ITEM NAME:Valve Installation Tool Valve Core Key Wrench Remover Tire Repair Tool G9I3 Product features: Metal structure, highly durable. Easy to use. The valve installation tool is used for efficient installation and removal of snap on tire valve. It contains a monkey's best handling and grip giving you maximum control during use. Applicable models: automobiles, motorcycles, bicycles, electric vehicles and air.1 x 4 in 1 tyre service tool. Function: removing and installing valve core. Re tap the internal and external threads. Single end air core wrench: 3.8mm long. Multi function wrench: 1.9cm long and 1.3cm wide.