3/8 Inch Drive 12 Point Spark Plug Socket 14mm Thin Wall Deep Well Socket for Car Maintenance Features： 1、This 12-Point 3/8-inch drive socket is made of premium quality chrome vanadium steel, very sturdy and durable. 2、The thin wall of the spark plug socket is only 14mm thick, 2mm thinner than standard spark plug sockets. 3、Designed to hold the spark plug firmly in the socket during installation and removal. 4、3/8-Inch thin wall spark plug socket 12-Point/14mm is compatible with for BMW, MINI, for Mercedes. 5、Incorporates a unique leaf spring retainer system to hold the spark plugs firmly in the socket. Specification： Features: This 12-Point 3/8-inch drive socket is made of premium quality chrome vanadium steel, very sturdy and durable. The thin wall of the spark plug socket is only 14mm thick, 2mm thinner than standard spark plug sockets. Designed to hold the spark plug firmly in the socket during installation and removal. 3/8-Inch thin wall spark plug socket 12-Point/14mm is compatible with for BMW, MINI, for Mercedes. Incorporates a unique leaf spring retainer system to hold the spark plugs firmly in the socket. Specifications: Material: Vanadium Steel Color: shown as picture Package Size: 10*5*5cm / 3.94*1.97*1.97in Package Weight: 60g / 2.12oz Package List: 1 * Plug Socket Package List： 1 * Plug Socket