The heavy duty cast aluminum clamp has a lifetime guarantee (clamp will also fit standard arm that comes with tables.) Clamp opens up to 1.5 inches wide. The easy-grip clamp knobs with wide clamping surface eliminate arm wobble, reduces risk of table breakage. Arm is 3/4 inch square steel tube 48 inches long. (Includes arm and clamp).
|Standard Arm And Clamp||3/4 inch||48 inches|