3/8" 12-point 14mm thin-walled 12-point socket Features an internal magnet for 360-degree action. Constructed of chrome vanadium alloy steel for superior performance. Features a 360-degree swivel design that provides better access to hard-to-reach areas and spark plugs. Applications include: Compatible with BMW vehicles: 1 Series (E81/E87-N43B), 3 Series (E90-N43B), and 5 Series (E60-N43B) BELEY 14mm/16mm 3/8" oscillating spark plug socket with magnetic swivel drive, suitable for spark plugs with a 12-point profile on BMW vehicles: 1 Series (E81/E87-N43B), 3 Series (E90-N43B) and 5 Series (E60-N43B) and other 14mm/16mm spark plugs. Built-in Magnet The 14mm/16mm spark plug sockets have built-in magnetic cores, which can hold the spark plugs securely to prevent them from falling out, and are easy to install and remove. Flexible and Durable Made of chrome-vanadium alloy steel, offering excellent performance such as corrosion resistance, rust resistance, and durability. It can rotate 360