An adjustable weight set for a vibratory motor, comprising: a base plate rotatable about an axis and extending radially outward from the axis, comprising: a top surface; a first side; a second side; and a bottom surface; wherein the top surface and the bottom surface of the base plate are in a plane that is substantially perpendicular to the axis; characterized in that the adjustable weight further comprises: a plurality of slots extending through the top surface and the bottom surface of the base plate, the slots being disposed between a radially outward periphery of the base plate and the axis; a plurality of weights (302(a), 302(b)) coupled to each other, wherein at least a first weight (302(a)) is disposed above the base plate, and wherein at least a second weight (302(b)) is disposed below the base plate; and a weight locking tab that partially surrounds the base plate comprising: a top portion extending across the top surface of the base plate; and a hook coupled to the top portion and extending through at least a portion of a slot; wherein the weights (302, 302(b)) include flanges positioned radially outward of and contacting at least a portion of the weight locking tab. a base plate rotatable about an axis and extending radially outward from the axis, comprising: a top surface; a first side; a second side; and a bottom surface; wherein the top surface and the bottom surface of the base plate are in a plane that is substantially perpendicular to the axis; characterized in that the adjustable weight further comprises: a plurality of slots extending through the top surface and the bottom surface of the base plate, the slots being disposed between a radially outward periphery of the base plate and the axis; a plurality of weights (302(a), 302(b)) coupled to each other, wherein at least a first weight (302(a)) is disposed above the base plate, and wherein at least a second weight (302(b)) is disposed below the base plate; and a weight locking tab that partially surrounds the base plate comprising: a top portion extending across the top surface of the base plate; and a hook coupled to the top portion and extending through at least a portion of a slot; a top surface; a first side; a second side; and a bottom surface; wherein the top surface and the bottom surface of the base plate are in a plane that is substantially perpendicular to the axis; a plurality of slots extending through the top surface and the bottom surface of the base plate, the slots being disposed between a radially outward periphery of the base plate and the axis; a plurality of weights (302(a), 302(b)) coupled to each other, wherein at least a first weight (302(a)) is disposed above the base plate, and wherein at least a second weight (302(b)) is disposed below the base plate; and a weight locking tab that partially surrounds the base plate comprising: a top portion extending across the top surface of the base plate; and a hook coupled to the top portion and extending through at least a portion of a slot; a top portion extending across the top surface of the base plate; and a hook coupled to the top portion and extending through at least a portion of a slot; wherein the weights (302, 302(b)) include flanges positioned radially outward of and contacting at least a portion of the weight locking tab.