16″ long square side arm with 2″ half coupler
26″ long side arm with 2″ half coupler
26″ I-beam side arm with 2″ half coupler
26″ I-beam side arm with diagonal supports and 2″ half coupler
19.5″ (500 mm) Long SWL 150 lbs Single Clamp Side Arm
19.5″ (500 mm) Long SWL 250 lbs 2x Quick Clamps Side Arm
30″ (762 mm) Long CSC 1/2 Coupler with Aluminum Wing Nut