A tube clamp half for a tube clamp comprising: a length (L) and a width (W), a tooth and an end tooth along said length, a gap and an end gap along said length, wherein said tooth and said gap have the same width, and the height of said tooth is the same as the depth of said gap and wherein said end tooth and said end gap have the same width, and the height of said end tooth is the same as the depth of said end gap , and a plurality of first channels across said width and cutting through said tooth , said end tooth , said gap , and said end gap such that the tooth and end tooth each have two parallel edges that limit and define a shape greater than a semi-circle and less than a full-circle for each first channel of the plurality of first channels , said plurality of first channels designed for the surface defining each first channel of said plurality of first channels to be in contact with an outer surface of a tube of a plurality of tubes , wherein when at least one of said first channels is engaged with at least one of said tubes, said contact prevents said tube clamp half from sliding axially along said tube, and wherein the shape of each of the first channels is symmetrical across a vertical plane that bisects, along their axial direction, each of the first channels at a minimum height of the first channels ; wherein said tube clamp half is adapted to be secured to each tube of the plurality of tubes by the two parallel edges of both the tooth and end tooth , and wherein said plurality of first channels is configured to engage with a plurality of second channels of a second tube clamp half to form a plurality of apertures . a length (L) and a width (W), a tooth and an end tooth along said length, a gap and an end gap along said length, wherein said tooth and said gap have the same width, and the height of said tooth is the same as the depth of said gap and wherein said end tooth and said end gap have the same width, and the height of said end tooth is the same as the depth of said end gap , and a plurality of first channels across said width and cutting through said tooth , said end tooth , said gap , and said end gap such that the tooth and end tooth each have two parallel edges that limit and define a shape greater than a semi-circle and less than a full-circle for each first channel of the plurality of first channels , said plurality of first channels designed for the surface defining each first channel of said plurality of first channels to be in contact with an outer surface of a tube of a plurality of tubes , wherein when at least one of said first channels is engaged with at least one of said tubes, said contact prevents said tube clamp half from sliding axially along said tube, and wherein the shape of each of the first channels is symmetrical across a vertical plane that bisects, along their axial direction, each of the first channels at a minimum height of the first channels ; wherein said tube clamp half is adapted to be secured to each tube of the plurality of tubes by the two parallel edges of both the tooth and end tooth , and wherein said plurality of first channels is configured to engage with a plurality of second channels of a second tube clamp half to form a plurality of apertures . <EOS>