The spark plug socket wrench is hard, rust-proof and anti-oxidation, which has long service time. The direction of the spark plug socket wrench can be changed, which facilitates the removal of spark plugs with improper angles. Made of chromevanadiumsteel, the spark plug socket wrench is durable, hard and stainless to use. There are two different sizes compatible you to choose from. The spark plug socket wrench is suitable compatible installing and disassembling spark plug of cars and motor cycles. Item Name: Spark Plug Socket Wrench Material: Chrome Vanadium Steel Style: 14mm, 16mm(Optional) Post Size: 3/8 Inch Square Head Features: Good Hardness, Labor-saving, Ultra-thin Size Details: 14mm: 9.5cm x 1.85cm/3.74" x 0.73" (Approx.) 16mm: 9.7cm x 2.05cm/3.82" x 0.81" (Approx.) Notes: Due to the light and the screen setting difference, the item's color may slightly differs from the pictures. Please allow slight dimension difference due to the manual measurement. The product is not suitable compatible some full-featured or gold-containing guide core spark plugs. Package Includes: 1 x Spark Plug Socket Wrench