Gedore Klann Experience KL-4031-3412 Socket XZN-12 Extra Long. This is the 12 point XZN type socket. Some people call it triple square. It is extra long 200mm or about 8″ inches. With 1/2″ drive. This size isused on Mercedes engine cylinder heads. Made in Taiwan for Klann. To see our German Tools on eBay just click here. ★ Samstag Sales combines shipping for multiple items to save you shipping costs! We will combine the items into one package for a lower shipping cost and refund the difference. Any questions, please contact us! ★ NOTE: Foreign Buyers must pay any customs tax or import fees due in their home country. Please ask your local official about any fees that could be due.★ Samstag Sales is the preferred source on eBay for fine German Made hand tools. In the fall of 1997 we began selling fine German Made hand tools on eBay.