Park Tool MLP-1.2 Master Link Pliers

Pliers made by Park Tool for opening and closing bicycle chain master links, item MLP-1.2. They work with 5 to 13-speed derailleur chains that use a master link, including SRAM eTap AXS, Shimano XTR 12-speed and Campagnolo Ekar 13-speed. They do not fit master links with both pins attached to one plate.

Text from OyList