Rockler 20981 - 4-Way Equal Pressure Clamp Bow Products Air flow adjustment valve lets

Air flow adjustment valve lets you reduce air flow to prevent floor mats and other items from sealing off the opening

simply lock the stainless steel knob and begin your work

Fits any track that accepts 5/16'' T-bolts and can accommodate the 3/8'' keyway

Mounts to a 3/8" * 3/4" (quickly expands to fit 20mm) Miter Slot

Rockler 20981 - 4-Way Equal Pressure Clamp Bow Products Air flow adjustment valve letsAdjustable length clamp provides pressure from all four sides, ideal for big projects such as gluing table tops and shelving. To make wood pieces, drill a series of 5 8" holes spaced 2" apart down the center line of the board face of a 2x4 piece of lumber. Then rip the board lengthwise through the centers of the holes, creating two pieces approx. 1 1 2" x 1 11 16". Rotate the notched boards so that notches are away from each other. Keeps wide panels