5 blade cutting disk kit for models 310, 315, 315X, 415X, 435X, & 535AWD models of Husqvarna Automowers. Kit includes 5 blade cutting disk, skid plate, and mounting screws. 
 
Video: How to install this kit & info about the kit
 
Looking for the improved 3 blade cutting disk kit for 310, 315, & 315X models? Click HERE