The product is easy to use and has long service life. The product features the magnetic percompatiblemance, which makes the manual disassembling work more relaxing. Made of the premium high carbon steel material, the product is durable, wear-resistant, and ultra-sturdy. The length of the product is 9.4cm, the width is 3cm, and the height is 3cm. It is applicable compatible cars with 12-point spark plug, such as compatible BMW 1 series E81/E87-N43B, compatible BMW 3 series E90-N43B, and compatible BMW 5 series E60-N43B. Item Name: Spark Plug Socket Material: High Carbon Steel Specification: 14mm/16mm Size Details: Size: 9.4cm x 3cm x 3cm/3.7" x 1.18" x 1.18" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Spark Plug Socket