Rockler Woodworking says its double-threaded piston system produces faster clamping speed and more pressure with the same degree of rotation. The piston head doesn’t spin as it advances, so twisting forces that could cause misalignment or marring are virtually eliminated, the company adds.

Rockler Woodworking says its double-threaded piston system produces faster clamping speed and more pressure with the same degree of rotation. The piston head doesn’t spin as it advances, so twisting forces that could cause misalignment or marring are virtually eliminated, the company adds.

Rockler Woodworking says its double-threaded piston system produces faster clamping speed and more pressure with the same degree of rotation. The piston head doesn’t spin as it advances, so twisting forces that could cause misalignment or marring are virtually eliminated, the company adds.