Fastens to most drill table slots.Great for woodworking and hobbyists alike. Throat depth: 2.5 in.,Maximum jaw opening: 2-3/4 in The tight, solid hold assures effective, efficient and high-quality woodworking outcomes. Secures workpiece for drilling or boring operations. 9-Inch clamp provides a generous clamping-range that's perfect for a vast array of applications. metal construction means it's built to perform and made to last., Weight: 1.18057541301 Pounds, Manufacturer: Wanjorlay