PanaVise is a major manufacture of Vises and Work Holding Tools. PanaVise's Tilt, Turn & 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 308 WEIGHTED BASE MOUNT, adds portability and stability to your vise! This husky, cast iron Base Mount features two wings for extra stability. Compatible with the 201 PV Jr. Vise and 300 & 305 Bases. Includes four non-marring, anti-skid pads. Two 1/4-20 holes are drilled and tapped on the side extensions for mounting accessories such as the 371 Solder Station. Overall dimensions: 6.875-Inch deep x 7.5 wide (174.6mm x 190.5mm). Height (with pads): 1.1875 (30.2mm), Weight: 5.0 lbs. (2.3kg). Limited Lifetime Warranty!