The product is easy to use and has a long service life. It features magnetic performance, which makes manual disassembling more convenient. Made of premium high carbon steel material, the product is durable, wear-resistant, and ultra-sturdy. The length of the product is 9.4 cm, the width is 3 cm, and the height is 3 cm. It is applicable for cars with 12-point spark plugs, such as 1 Series E81/E87-N43B, 3 Series E90-N43B, and 5 Series E60-N43B. Item Name: Spark Plug Socket Material: High Carbon Steel Specification: 14 mm / 16 mm Size Details: 9.4 cm x 3 cm x 3 cm / 3.7 in x 1.18 in x 1.18 in (Approx.) Notes: Due to differences in lighting and screen settings, the item's color may vary slightly from the images. Slight dimension variations may occur due to manual measurement. Package Includes: 1 x Spark Plug Socket