A fixturing apparatus that includes a base, a housing attached to the base and formed to include a semi-circular arcuate surface in a bottom portion, a circular member comprising a periphery and rotatably attached to said base, wherein a portion of said periphery is disposed adjacent the arcuate surface to create a channel between the housing and the circular member, a plurality of locking teeth disposed around the periphery, a ratchet gear attached to the circular member, and a pawl pivotably attached to the housing.