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! Introducing the Panavise 312 tray base mount, neatly organizes your small parts and tools! This cast aluminum base mount adds stability and has six integral parts wells with rounded and sloped walls for easy parts retrieval. - Compatible with the 201 PV Jr. Vise, 300 and 305 bases. Includes six non-marring, antiskid pads. Three 1/4-20 holes are drilled and tapped on the outer lip for mounting accessories such as the 371 solder station.