FIRSTINFO 8 PCS 3/8" Torque Limited Ratchet and Spark Plug Socket Kit With 3/8" Dr. Torque limited 23 Nm (203.5 in-lb) ratchet wrench. With 14 , 16 , 18, 19, 21 mm spark plug socket. (9/16", 5/8", 18mm, 3/4", 13/16") With 3/8" Dr. universal joint. With 6" long extension bar. Made in Taiwan with high quality for durable use.