Portable and compact - Lightweight and space saving spark plug socket set designed for easy transport and organized storage in a workshop, job site, or vehicle trunk. Durable and high performance - Made from high strength hardened steel for exceptional durability and long life. - Suitable for repeated spark plug maintenance on ignition systems and maintains performance in demanding environments. Easy to handle and secure - Ergonomic, non slip grip provides maximum control during spark plug maintenance. - Secure locking system ensures stable retention of sockets from 16 mm to 21 mm (European standard sizes). Flexible maneuverability - Design allows access from multiple angles for easy work in tight spaces. - Optimized flexibility helps the spark plug socket reach difficult angles and fit securely. Key specifications and compatibility - Designed for spark plug service with sockets covering 16 mm to 21 mm, aligned with European standard sizes. - Ideal for use in cars, motorcycles, and small engines requiring 16-21 mm spark plug sockets. Practical use scenarios - Replacing spark plugs on a sedan in a compact home garage with limited space. - Servicing a motorcycle or ATV where space around the engine is tight and access is restricted. - Field or workshop maintenance of lawn mowers, garden tractors, or other small engines that use 16-21 mm spark plugs.