The Push Cap Rod is a 1/2-inch metal metal cap which can be easily installed with a hammer and pliers. This manufacturer certified part comes in silver and is made of metal. This cap attaches onto an axle to help the wheel stay attached. If broken, the wheel will fall off and the part should be replaced.
This is an angle-tipped nozzle made by Troy Bilt for chipper/shredder vacs. This sturdy plastic nozzle fits onto the end of the 4" diameter hose, secured with clamp # 723-0295. The grip handle attaches to this nozzle; note that all washers, spacers, screws, nuts, etc. are sold separately. One nozzle is included in this listing.