Features an adjustable locating shelf, so it will remove and install the rivet on any bike chain from 512sp 3/32" chains to 1/8 and 3/16" single speed chains\n Comfortable size and fine thread to make easy work of tough rivets\n Made from investment cast steel\n Compatible with SRAM AXS 12 speed chains as well\n Note: will not peen rivets on Campagnolo 11sp chains; use CT11 rivet peening tool