Stier parallel clamp frame holders

This is a framing holder designed for Stier parallel clamps. You can use 4 or more of these holders to apply precise force to furniture bodys in a 90° angle. You can attach them on your workbench either by screwing them with 5mm panhead screws or by inserting a table clamp with 8mm bolt into the base of the holder (e.g. Bessey TK 6). Of course you can also use them freely lying on the table. In this case I woud recommend glueing some foam rubber on the bottom. As most of the parallel clamps on t