• Compound: No
• Length (Inch): 6"
• Width (Inch): 5"
• Height (Inch): 2-1/4"
All plates are made of hardened steel. Squareness and parallelism 0.0002" and 0.0003". Locking strap always remains below top surface (pat. pending). Adjustable side rails drop below surface without unbolting. A 0.200 minute stepped gauge block roll eliminates steps in base plate. Strong, large hinge pins. Tapped holes in top plate. Side rails and locking straps included.