Rockler Square-It Box-Squaring Clamp

Boxes or drawers are square when their diagonal measurements match, but it can be difficult to install a bar or pipe clamp across the longer diagonal to shorten it. Once in place, the clamp often obstructs the corners of the assembly, making measurement difficult. Its pressure can even crush delicate workpiece corners. This innovative clamp solves all these challenges simply and elegantly. It features two pivoting corner brackets with non-marring roller posts that fit down over opposing corners of what you're squaring. One bracket is fixed to a winding mechanism, and the other is attached to a non-stretch nylon strap. Once the corner brackets are fitted in place, just turn the handle on the ratcheting mechanism to tighten the strap, shortening the diagonal and pulling the assembly into square. The corner brackets don't cover the corners, ensuring a clear view for easy measuring. A flip-open, blue interior arm on the handle can be extended to provide extra torque when needed. If the handle's knob interferes with the measuring tape, it can be pulled off and then snapped back on. Rotating the orange release lever under the winding mechanism eases clamping pressure incrementally—helpful for making minor adjustments to the clamp setting.

Rockler Square-It Box-Squaring Clamp Details:

• Innovative solution for applying controlled diagonal clamping pressure when squaring boxes or drawers
• Cast-aluminum corner brackets with non-marring plastic roller posts fit securely around corners of an assembly without damaging them or impeding measurement
• Steel ratcheting components ensure durability
• Easy-to-use handle features flip-out interior arm to apply additional torque
• Non-stretch nylon strap extends up to 7 ft.
• Removable knob optimizes tape measure access
• Release lever eases strap tension incrementally, for full clamping control
• Handle reels strap into winding mechanism for compact storage