Male-End Leveling Mount,6.75 in H 5C029. MASON 5C029. Male-End Leveling Mount, Leveling Mount Type Fixed Stud, Base Dia. 6 1/4 in, Height 6.75 in, Load Capacity 4,000 lb, Connection Type Threaded Stud, Bolt Length 5 in, Base Material Neoprene, Base Shape Round, Anti-Vibration Yes, Base Neoprene, Socket Material Not Applicable.