VBK 1 master link with an all direction movable welded VRG connector, thus ensuring that only the correct chain diameter and number of strands can be connected. VIP-Master link is marked by the RUD-ID-TAG (RFID chip) and with the clear identification number distinguished. Complete identification tag with an integrated chain testing gauge. Pre-assembled connecting bolt and tensioning sleeve. The size corresponds with that of the connecting link type B acc. to DIN 5688, manufactured in compliance with EN 1677-4.