Panavise Vice Bases sold by Howard Electronics
PanaVise Vice Bases. Built into every 300 series bases is our patented "split ball" technology. All 300 series bases accept 5/8" (16mm) diameter stems or shafts and are compatible with 300 series Heads including the 315 Circuit Board Holder. They are also compatible with all 300 series Base Mounts. All our vises and work holding devices come with a "LIFETIME WARRANTY."