Universal PCB Holder for Any PCB Shape from 1mm to 250mm. Screw-type Magnetic clamps (standoffs) are attached to ferromagnetic stainless steel base and free-to-slide along the base. Virtually any PCB shape like: circle, triangle, ellipse, square... Base is electro- and thermo- insulated from the bench-top with rubber non-slip bumpers. PCB dimensions from 1 mm x 5 mm to175 mm x 250 mm PCB thickness  from 0.1 mm to 7 mm. Holder is secured to the bench by non-slip bumpers. PCB Insulated. Hi-Temperature for PCB - 350C (660F).