Our Lovecitycycles Helicomatic Freewheel Removal Tool safely removes Maillard Helicomatic freewheel aluminum lock rings. It prevents destroying alloy ring teeth by using vise grips or other tools. Tool is made of 16 gauge rolled steel. The 90 mm length fits your hand better than the old style Maillard tool. Nice leather strap makes it easily located in your tool box. .