evo.com | Park Tool General Shop Tools > The Park Tool MLP-1.2 Master Link Bike Chain Pliers assist with the installation and removal of master link-equipped bike chains. While this typically doesn't require traditional tools, with time grime and corrosion can make it difficult for the chain to be separated by hand. Simply insert the jaws into the master link and squeeze. Compatible with All 5, 6, 7, 8, 9, 10, 11 and 12-Speed Derailleur Chains That Use a Masterlink | Park Tool Medium/LargeP-1.2 Chain Link Pliers 2025 - 5-12spd