The sockets are constructed from Chrome-Vanadium Steel, with mirror chrome finish further.
Set Includes: 5pcs spark plug sockets: 14mm, 18mm; 5/8", 3/4", 13/16"; 1pc 3/8"drive universal joint; 1pc 6-Inch extension bar; 1pc spark plug gap gauge scaled from 0.020 to 0.100 inch and the metric is from 0.6 to 2.4 mm.
The extension bar can reach tight space. And the universal joint is ideal for gaining access to fasteners hard to reach and changing the angle of force.
Interior rubber insert secures and protects the spark plug during operation. Laser-etched size marking for the easy identification.
It comes with a sturdy and convenient storage case. Keep each piece in the proper position. All EMENTOL products come with 1 year quality guarantee.