Bora 90 Degree Corner Clamp Bora 551025 &ndash; the Quick Release Corner Vise That Holds Your Material Fast at a Perfect Right Angle, Making Frame and Box Projects a Breeze. Slotted base for bolting to your drill table or other surface Large 2-1/2" jaw capacity Lightweight yet tough, with an aluminum die-cast body, and chrome plated steel screws Soft Grip Torque Handle pivots to 90 degrees for increased clamping pressure Integrated saw slot for ease of cutting