..... shelf you can use a scrap from that aluminum plate #89015K26).
2 - Bottom rod 6061 aluminum rod 3/8" Dia. round by 5-1/2" long (8974K32).
3 - Top rod 6061 aluminum rod 3/8" Dia. round by 5-7/16" long (5-5/16" long if
.......you are using the lightweight battery shelf).
4 - Pole base socket 3/4" Hexagonal bar by 7/8" long (89845K37).
5 - Pole Guide 3/4" Hexagonal bar by 3/4" long (89845K37).
6 - Thumb screw 10-32 (91830A402).
The part numbers above are for raw matereal that can be purchased from www.McMaster.com. The screws used to mount the rods to the axle frame are 1/4'-20 cap screws. The screws used to mount the end plate to the rods are 10-32 cap screws. The pole base and guide are mounted to the end plate with 8-32 cap screws.