Whether you already own a 300 series vise or are selecting components to build your own custom work holding system, our Base Mounts will add an extra dimension of productivity to your next project! Compatible with the 201 PV Jr, 300 Standard Base and 305 Low-Profile Base. All Base Mounts have three holes designed for 1/4-20 screws evenly spaced on a 4 5/16" (109.5mm) bolt circle. All our vises and work holding devices come with a "lifetime warranty."
* The 310 Surface Plate Base Mount is a precision cast iron flat surface (Blanchard ground) ideal for layout work and as a portable work station.
* 10" x 10" (254mm x 254mm) square and weighing 10lbs. (4.5kg).
* Included are four non-marring, anti-skid neoprene base pads.
* The top surface is drilled and tapped in one corner for the 300 Standard Base or 305 Low-Profile Base.
* Three 1/4 -20 screws for mounting Bases are included.