68 sized to admit a sink bowl 12 a worker may exchange the embodiments of the holder 48 for various shaped sink bowls 12 the arm 44 is parallel with the flange f of the sink bowl 12 the arm 44 has a first end with a socket 46 coaxial with the longitudinal axis of the arm 44 and a second opposite end with a hinge 64 the socket 46 receives the stem 66 of the holder 48 at the second end the arm 44 pivotably connects to the spine 42 pivotably means to allow rotation but not translation of a joint the spine 42 traverses the floor perpendicular to the base 36 the spine 42 has a first end that connects to the arm 44 at the hinge 64 and an opposite second end the second end of the spine 42 joins to the base 36 substantially at the center of the base 36 the base 36 attaches to the floor for the purpose of securing the bowl sander 10 the base 36 has one or more sides 52 connected into a polygonal shape defining a plane in the preferred embodiment the base 36 forms a rectangular shape where the spine 42 attaches is denoted the front 50 of the base 36 at each corner of the front 50 and a side 52 a leg 38 extends upward and away from the floor at a predetermined angle the two legs 38 connect to the ends of a header 40 the header 40 attaches to a wall or other substantial object to secure the bowl sander 10 opposite the front.