A surgical equipment holder (56; 82; 250; 342; 570), comprising: a first arm (58; 92; 254; 598) pivotable relative to a base (86; 574); a second arm (60; 94; 256; 654) pivotably coupled to the first arm (58; 92; 254; 598); an end effector (98; 345; 556) pivotable relative to the second arm (60; 94; 256; 654); and a lever (70; 100, 158; 312, 352; 660) movable between a locked position and an unlocked position; wherein the lever (312, 352; 660) is configured such that: a) the first arm (58; 92; 254; 598) does not pivot relative to the base (86; 574), the second arm (60; 94; 256; 654) does not pivot relative to the first arm (58; 92; 254; 598) when the lever (70; 100, 158; 312, 352; 660) is in the locked position; and b) the first arm (58; 92; 254; 598) may be pivoted relative to the base (86; 574), the second arm (60; 94; 256; 654) may be pivoted relative to the first arm (58; 92; 254; 598), and the end effector (98; 345; 556) may be pivoted relative to the second arm (60; 94; 256; 598) when the lever (70; 100, 158; 312, 352; 660) is in the unlocked position, characterised by the surgical equipment holder further comprises a tension rod (264; 354; 608) in communication with the first arm (254; 598), the second arm (256; 654) and the lever (312, 352; 660); and a spacing washer (270; 602) comprised of a convex outward surface (271; 603) and having an opening; wherein the opening in the spacing washer (270; 602) is sized to allow the tension rod (264; 354; 608) to pivot such that the first arm (58; 92; 254; 598) is allowed to pivot relative to the second arm (60; 94; 256; 654) in more than a single plane; and a first arm (58; 92; 254; 598) pivotable relative to a base (86; 574); a second arm (60; 94; 256; 654) pivotably coupled to the first arm (58; 92; 254; 598); an end effector (98; 345; 556) pivotable relative to the second arm (60; 94; 256; 654); and a lever (70; 100, 158; 312, 352; 660) movable between a locked position and an unlocked position; wherein the lever (312, 352; 660) is configured such that: a) the first arm (58; 92; 254; 598) does not pivot relative to the base (86; 574), the second arm (60; 94; 256; 654) does not pivot relative to the first arm (58; 92; 254; 598) when the lever (70; 100, 158; 312, 352; 660) is in the locked position; and b) the first arm (58; 92; 254; 598) may be pivoted relative to the base (86; 574), the second arm (60; 94; 256; 654) may be pivoted relative to the first arm (58; 92; 254; 598), and the end effector (98; 345; 556) may be pivoted relative to the second arm (60; 94; 256; 598) when the lever (70; 100, 158; 312, 352; 660) is in the unlocked position, a) the first arm (58; 92; 254; 598) does not pivot relative to the base (86; 574), the second arm (60; 94; 256; 654) does not pivot relative to the first arm (58; 92; 254; 598) when the lever (70; 100, 158; 312, 352; 660) is in the locked position; and b) the first arm (58; 92; 254; 598) may be pivoted relative to the base (86; 574), the second arm (60; 94; 256; 654) may be pivoted relative to the first arm (58; 92; 254; 598), and the end effector (98; 345; 556) may be pivoted relative to the second arm (60; 94; 256; 598) when the lever (70; 100, 158; 312, 352; 660) is in the unlocked position, characterised by the surgical equipment holder further comprises a tension rod (264; 354; 608) in communication with the first arm (254; 598), the second arm (256; 654) and the lever (312, 352; 660); and a spacing washer (270; 602) comprised of a convex outward surface (271; 603) and having an opening; wherein the opening in the spacing washer (270; 602) is sized to allow the tension rod (264; 354; 608) to pivot such that the first arm (58; 92; 254; 598) is allowed to pivot relative to the second arm (60; 94; 256; 654) in more than a single plane; and the surgical equipment holder further comprises a tension rod (264; 354; 608) in communication with the first arm (254; 598), the second arm (256; 654) and the lever (312, 352; 660); and a spacing washer (270; 602) comprised of a convex outward surface (271; 603) and having an opening; wherein the opening in the spacing washer (270; 602) is sized to allow the tension rod (264; 354; 608) to pivot such that the first arm (58; 92; 254; 598) is allowed to pivot relative to the second arm (60; 94; 256; 654) in more than a single plane; and