Stahlwille reversible, fine tooth Ratchet Insert Tool with 60 teeth. Long-term loading of the input and output square drive is in accordance with DIN EN ISO 67892003. NOTE Please pay attention to insert size required - 9 x 12 or 14 x 18. CAUTION A modified torque setting is required if using the size 40HD. MADE IN GERMANY. Stahlwille Ratchet Insert Tool. Size 9 x 12mm. Drive 1/2 in.