A wedge clamp for clamping a plurality of planar members in a side-by-side disposition for work such as gluing to be performed

thereon. The wedge clamp includes a rail unit which defines a track having two opposing side walls and an end wall disposed in

a U-shaped configuration to closely receive the ends of stock members. The side walls are spaced apart to define a throat for closely

receiving a selected thickness of stock. A base member is provided at one end of the rail unit, a second end of the base member

extending away from side walls a distance at least as great as the width of the throat. The side walls and the end wall define a series

of slotted openings for receiving a wedge block. At least one spacer is used to reduce the width of the throat and accommodate close

receipt of the stock material defining a thickness less than that of the throat. The spacer defines an L-shaped cross section, with the

first leg defining a first thickness and the second leg defining a second thickness. A retainer block is provided for assisting in using

the rail unit to clamp workpieces along the length thereof The retainer block is dimensioned to be closely received within the track

of the rail unit in a lengthwise direction A first notch is defined at a first end thereof for closely receiving stock material defining a

first thickness, while a second notch is defined at a second end thereof for closely receiving stock material of a second thickness.

An end cap is provided for closely receiving the end of each stock member in the latter disposition.