TR 442/TR 77A
The TR 442 has a full height of 4.53 inches while the TR 77A has a length of 4.88 inches.
They both have a height to bend of 0.94 inches.
They both have a base width of 3.24 inches.
They both have a stem diameter of 4.13 inches.
They can handle a maximum pressure of up to 150 psi.
They are usually bent at an angle of 85 degrees.
You will find the most useful in medium, light and heavy trucks.