DURABLE QUALITY: All magnetic spark plug sockets are made of hardened and heat-treated Metal. Mirror Polish chrome finish on the surface ensures long-time service and against rust and corrosion. Clear size marks on each swivel plug socket are easy to identify. MAGNETIC CORE DESIGN: Our magnetic swivel socket set is equipped with magnetic core, the magnet retains and protects the spark plug for easier installation, ensures not easy to lose the plug over time, and minimizes damage. 360° SWIVEL DESIGN: The spark plug has 360-degree swivel action for maximum flexibility, making tight spaces easily accessible. Easier access to the engine compartment, and remove and install spark plug. EASY TO USE: The Swivel thin wall socket set has an integrated design and is used for spark plug removal and installation. It doesn't include any accessories. Tightened or adjusted is not needed. It features a 12-point design for enhanced gripping power, knurled grip can help you keep a tight grip to minimize the possibility of slipping in the middle of a job and reduce the chance of hand fatigue. Colour:Silver Material:Metal Size:S/L Package Contents: 2 x magnetic swivel socket 14mm 16mm Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.