Feature 1, Heavy duty Forged sockets constructed from Chrome Vanadium alloy steel with black finish for lasting lifetime 2, Good performance for the removal and installation of oxygen sensors 3, Slotted design allows removing oxygen sensor with wiring harness attached and prevents damage to wires 4, Anti-rust, lightweight and this professional oxygen sensor wrench socket kit is really perfect for home application 5, The red plastic box is easy to transport and store the toolsFeature: Heavy duty Forged sockets constructed from Chrome Vanadium alloy steel with black finish for lasting lifetime. Good performance for the removal and installation of oxygen sensors. Slotted design allows removing oxygen sensor with wiring harness attached and prevents damage to wires. Anti-rust, lightweight and this professional oxygen sensor wrench socket kit is really perfect for home application. The red plastic box is easy to transport and store the tools. Specification: Condition: Brand New Material: Chrome Vanadium alloy steel Color: Black Square Head Size: Approx 1/2", 3/8" Head shape: hexagonal/Twelve angles Sleeve Diameter: Approx 4cm/1.6in 3.2cm/1.3in 3.3cm/1.3in 3.4cm/1.3in 3.5cm/1.4in Sleeve Length: Approx 9cm/3.5in 8cm/3.1in 7.4cm/2.9in 5cm/2in 3cm/1.2in Quantity: 7 Package Weight: Approx 2052g Package List: 7 * Oxygen Sensor Socket Removal Tool Note: 1. Please allow 1-3cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.