Husqvarna Guide Bar X-TOUGH 32" 3/8" .058" 105DL Large Bar Mount (D009)Husqvarna X TOUGH RSN (Replaceable Sprocket Nose) bars are our toughest sprocket nose bars. Thanks to the design, characterized by a solid steel body with increased rail hardness and the optimized oil hole, the maintenance effort is reduced, and high productivity can be achieved. The load is transferred to the high quality roller bearing with supporting shields, resulting in less friction and prolonged lifetime. The robust and patented RSN shape and