1/2 inch x 13- 23" includes 4 nuts and 2 lock washers. Can be purchased at any hardware store...or here.
24 inches (+ $2.00)
If you damage uprights for Ultimate Spinner, you will need these. Steel uprights are 20" in length and can be made at any length you request. We have found that anything over 20" can be less stable due to bullet inertia.
Simple hose clamps for positioning spinners. Size 1/4-5/8 inch. Can be purchased at any hardware store...or here.