Spark Plug Socket Set, Metric 21mm, Drive 3/8", Length 2.5", Socket Mirror Finish With Socket Extension For Attachment Application

Spark Plug Socket Size --- Size: 21 mm; Drive Square Size: 3/8 inch; Total Length: 63 mm/2.5 inch; Square Socket Adapter: 3/8 inch; Socket Hex Adapter: 1/4 inch; Socket Adapter Total Length: 66mm/2.6 inch Wide Range of Applications --- Spark plug sockets are manual repair tools for fixing applications that can help you repair cars, bicycles, motorcycles, machinery, household appliances, construction work, woodworking, etc. Feature --- The socket is marked with size indications for easy identification and can be easily found in case of emergency. --- Spark plug socket is made of chrome vanadium steel with a mirror chrome finish. Chrome vanadium steel sleeve increases rotational power. Helpful Tips --- Make sure the socket fits securely to the fastener before applying force. Avoid using excessive force to avoid damaging the socket or fixture. Regularly inspect the socket for signs of wear or damage, and replace if necessary.