Sealey 3/8" Drive Hexagon Spark Plug Socket Metric 3/8" 21mm

The 16mm Sealey 3/8" Drive Hexagon Spark Plug Socket is perfectly sized for smaller spark plug applications commonly found in modern compact engines. This cold-forged Chrome Vanadium steel socket combines precision engineering with robust construction, making it an essential tool for professional mechanics and serious DIY enthusiasts. The 16mm socket features a hardened and tempered construction with chrome plating for excellent corrosion resistance. Its fully polished mirror finish not only looks professional but also makes cleaning simple after use. The knurled ring design ensures you maintain a firm grip, even when working in challenging conditions with oil or grease present. What sets this socket apart is the specialist insert that grips the ceramic insulation of the spark plug, allowing safe extraction without damaging delicate components. This proves particularly valuable when dealing with deep-seated plugs in confined spaces where access is limited. Features and Benefits: • 16mm size ideal for smaller spark plug specifications • 3/8" drive fits standard ratchets and extensions • Chrome Vanadium steel construction ensures longevity • Ceramic-gripping insert prevents plug damage • Mirror finish resists dirt accumulation • Lifetime guarantee* included • Model No. S38SP10 Specifications: Brand: Premier Depth: Deep Drive: 3/8''Sq Material: Chrome Vanadium Nett Weight: 0.10kg Size: 16mm