Welded fitting used to create a 90deg corner on a frame using 1" round aluminum, available at Lightbulb Rentals.
C-Clamp: 4″ (Junior)$3/day
Cardellini: 6″ End Jaw- Long$5/day
2″ x 4″ Flat Plate Clamps (Fixed)$8/day
135mm Magnet Mount (3/8-16 Thread)$8/day
40″ Extension Arm w/ Baby Swivel Pin$10/day
Mini Ball Leveler: 5″ x 6″ Aluminum Base$35/day
Reflector Board (4′ x 4′)$50/day
Full-Size Ball Leveling Mount: Aluminum Base (10″ x 14″)$100/day