An adjustable clamp system, comprising: a base comprising: an anchor portion configured to couple the base to a support structure, a first clamp-support portion extending from the anchor portion, and a second clamp-support portion extending from the anchor portion; a clamp assembly comprising: a clamp defining a bore, a first flange extending from a first side of the clamp and coupled to the first clamp-support portion of the base, a second flange extending from a second side of the clamp and coupled to the second clamp-support portion of the base, a first clamping member comprising a first portion of the first flange, a first portion of the clamp, a first portion of the second flange, and a first aperture in the first portion of the first flange, and a second clamping member comprising a second portion of the first flange, a second portion of the clamp, a second portion of the second flange, and a second aperture in the second portion of the first flange; and a first eccentric bushing coupling the first flange of the clamp assembly to the first clamp-support portion of the base, wherein the first portion of the clamp comprises a bottom half of the clamp and the second portion of the clamp comprises a top half of the clamp; and wherein the first eccentric bushing is rotatable relative to the first flange to translate the clamp assembly in a first direction relative to the base and adjust a distance between the clamp and the anchor portion of the base. a base comprising: an anchor portion configured to couple the base to a support structure, a first clamp-support portion extending from the anchor portion, and a second clamp-support portion extending from the anchor portion; an anchor portion configured to couple the base to a support structure, a first clamp-support portion extending from the anchor portion, and a second clamp-support portion extending from the anchor portion; a clamp assembly comprising: a clamp defining a bore, a first flange extending from a first side of the clamp and coupled to the first clamp-support portion of the base, a second flange extending from a second side of the clamp and coupled to the second clamp-support portion of the base, a first clamping member comprising a first portion of the first flange, a first portion of the clamp, a first portion of the second flange, and a first aperture in the first portion of the first flange, and a second clamping member comprising a second portion of the first flange, a second portion of the clamp, a second portion of the second flange, and a second aperture in the second portion of the first flange; and a clamp defining a bore, a first flange extending from a first side of the clamp and coupled to the first clamp-support portion of the base, a second flange extending from a second side of the clamp and coupled to the second clamp-support portion of the base, a first clamping member comprising a first portion of the first flange, a first portion of the clamp, a first portion of the second flange, and a first aperture in the first portion of the first flange, and a second clamping member comprising a second portion of the first flange, a second portion of the clamp, a second portion of the second flange, and a second aperture in the second portion of the first flange; and a first eccentric bushing coupling the first flange of the clamp assembly to the first clamp-support portion of the base, wherein the first portion of the clamp comprises a bottom half of the clamp and the second portion of the clamp comprises a top half of the clamp; and wherein the first eccentric bushing is rotatable relative to the first flange to translate the clamp assembly in a first direction relative to the base and adjust a distance between the clamp and the anchor portion of the base.