The Panavise 312 Tray Vise Base is a high-quality aluminum vise base with a jaw size of 8-7/16 inches, perfect for machinists and workshop enthusiasts. It features an overall length of 8 7/16 inches and a depth of 8 7/16 inches, with a weight of 2.1000 pounds. Made in the US by PanaVise, this tray vise base comes with a 1-year manufacturer warranty and is ideal for securely holding and manipulating materials in various machining applications. With its durable construction and precise dimensions, this vise base is a reliable and essential tool for any workshop.