Standard Plain Square HoleDimension- 540 x 255 x 50 mm
Size – 1/1
Standard Plain Square HoleDimension- 455 x 240 mm
Standard Plain Square HoleDimension- 405 x 255 x 30 mm
Size – 3/4
Standard Crimp Square HoleDimension- 405 x 255 x 70 mm
Standard Plain Square HoleDimension- 485 x 255 x 30 mm