Overview Reviews Product Description Thomas and Betts 48662 Square Channel Washer Hole Size: 9/16 Inch, Nominal Size: 1/2 Inch, Steel,. Product Videos Custom Field Hole Size 9/16 Rod 1/2 Product Reviews Write a Review Write a Review × Thomas and Betts 48662 Square Channel Washer Hole Size: 9/16 Inch, Nominal Size: 1/2 Inch, Steel Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *