Koken Socket Wrench Drive: 1/4″ Size Available: 4, 5, 6, 7, 8, 9,10, 11, 12, 13 & 14mm Points: 6 pts. Designed to retain contact with flat sides of nuts to transmit high torque and reduce nut wear Ideal for use on polished nuts, aluminum nuts, and nuts with worn out points Precision-engineered for accurate fastener engagement Compact design for confined and hard-to-reach areas Durable construction for regular professional and workshop use Suitable for automotive, mechanical, and general maintenance applications Made in Japan