Heavy Cast Iron Construction with Steel Screws Smooth Sliding Motion Removable Steel Jaws Secures Wood, Metal, and Other Materials for Accurate Drilling Slots for Bolting to Drill Press Features: - Durable Cast Iron Drill Press Vise - Slotted Base Positions Easily on Drill Press Table - Widely Used in Milling Machines, Drill Presses, and Machine Maintenance, Carvers, Jewelry, etc.