A stairway, ladder, ramp or other safe means of egress must be located in trench excavations that are 4 feet (1.22 m) or more in depth so as to require no more than 25 feet (7.62 m) of lateral travel for employees. Designed to prevent slipping.
Pitching wedges have a loft of between 46 and 48 degrees. Approach wedges have lofts between 50 and 52 degrees. The extra loft on the approach wedge helps it to get up in the air, but decreases the distance hit.
If your distance with your pitching wedge 120 yards and your distance with your sand wedge 85 yards, you have a problem. You will have to try to finesse shots that require a distance between 85 to 120 yards. Read more on... gap wedges.