Clamp for screen printing

A clamp system comprising:

• a first jaw member and a second jaw member, said first jaw member being parallel aligned end to end with said second jaw member and having a flat surface facing a complementary flat surface of said second jaw member, each jaw member having a plurality of openings, openings of said first jaw member being aligned with openings of said second jaw member, said openings of each jaw member being threaded;
• a plurality of screw means connecting to said first jaw member and to said second jaw member, each screw means connecting aligned respective openings of each jaw member, said screw means having fixed ends in said openings of said second jaw member and other ends extending to said openings of said first jaw member, wherein one screw means has a locking nut positioned between the jaw members, and wherein another screw means has a complementary locking nut on an opposite side of said first jaw member from said second jaw member;
• an extension member attached to an end of said first jaw member, said end of said first jaw member being opposite another end with said openings, said extension member having a housing extending orthogonal to alignment of the first jaw member and the second jaw member, said housing having a registration hole on an end of said housing, said registration hole being threaded, said housing being flush with said flat surface of said first jaw member;
• and
• a registration pin means threadedly engaging said registration hole and extending parallel to the jaw members and orthogonal to said housing, the pin means having a blunt end and a threaded locking means.