2 IN 1: Exciting news! Tire levers and master link pliers are now smartly integrated into one tool! It s very handy and is specially made to easily remove and assemble the master link, as well as remove a tire off a rim. Please watch the video in the listing for more detailed instructions. EASY TO USE: Use the tool to hold the master link and then squeeze it with the handle to close(dissemble) or open (tighten)the link. There will be no difficulty with stiff, corroded, or tough links when used. Compatible with 5 to 12 Speed chains that use a master link, including brands such as SRAM, AXS, and for Shimano. SLIP-FREE HANDLE: Rubber-coated and ergonomically shaped handles provide a comfortable non-slip grip, and its quality spring ensures a long service life.