PanaVise is a major manufacture of vises and work holding tools. PanaVise's Tilt, Turn and Rotate technology has been applied to the product line, allowing for maximum efficiency and many different uses! All PanaVise products are covered by a limited lifetime warranty! Introducing the Panavise 315 circuit board holder, circuit board holders help you work quicker and smarter! The best holder ever created for working with circuit boards, this model fits all 300 series Bases. - Hold circuit boards up to 12 Inch (304.8 mm) wide and up to 0.156 Inch (4 mm) thick. Arms move independently and feature V shaped grooves. Notches positioned at the arm tips conveniently hold small parts. Ratcheted pivot holds board horizontally, vertically or any angle in between. Shaft is 4-1/8 Inch (104.8 mm) long and 5/8 Inch (15.9 mm) diameter. Compatible with all 300 series bases.