What tools do I need to install the SharperBlade? Just typical pliers or wrenches or sockets. Related articles With so many makes and models of Walk-behind Edgers, how does one (1) SharperBlade fit on all of them? Where can I find replacement parts for the Sun Joe Mow Joe MJ401E Lawn Mower? How do I know if the SharperBlade will work on my Weed Whacker? MJ401C-BLD Replacement Blade SAFETY RECALL NOTICE: 24V-X2-17LM and 24V-X2-17LM-CT Lawn Mowers