The PRO Team Chain Tool is a precision tool for removing chain links. It features an extra durable, heat-treated steel construction and an ergonomic grip. Its longer twistgrip produces more leverage, ensuring ease of use, and like all PRO Team tools it is 12-speed compatible. Precision chain tool Extra durable heat-treated steel construction Ergonomic grip Longer twistgrip for increased leverage Compatible with 8-, 9-, 10-, 11- and 12-speed chains