Patent ID: 7314215

Claim:
A device for the holding of a work piece, comprising: a base block, having a flat surface for a base, said base comprising the shape of a rectangle; an opposite upper portion comprising two parallel ridges, each in the shape of an inverted W; said ridges extending from one edge to the opposite edge of said base block; each said ridge possessing two thru apertures, located near the apexes of the W; said ridges separated by a thru channel of constant width along the entire length of said block; further comprising two upper swivel heads; each swivel head possessing a flat upper surface and a lower side in the shape of a solid V; said lower side being sufficiently thin to pass into the thru channel of said base block; each said swivel head possessing a thru aperture near the apex of the V; each said swivel head being pivotably connected to the base by means of a smooth-surface bolt passing thru one side of an aperture in one ridge of the base, and further thru the aperture in said swivel head, and further thru the aperture in the opposite ridge, said bolt providing an axle around which said swivel head can rotate.