Description: 3/8-inch drive, 12 point, thin wall deep well design. This socket is crafted from durable chrome vanadium steel. Incorporates a unique leaf spring retainer system to hold the spark plugs firmly in the socket. Does not slip like grip systems, and does not grip too tightly like o-ring systems. Fit for 3.0L 2007+ engines such as the N54, N55, N20, N26, S55, N63, B46, B48, and B58 Fit for engines, this thin walled socket is compatible with a variety of MINI vehicles such as the R55, R56, R57, and R60. Specification: Material: chrome vanadium steel Size: Approx 62mm*20mm Package Includes: 1 Piece Spark Plug Socket : Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making payment. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand,Thank you.