Rated capacities of 50 to 2500 pounds Steel or stainless steel construction Trade certified for NTEP Class IIIL: 10000 divisions and Class III: 5000 divisions available in 1000 to 2500 pounds Unique neoprene isolation mount accommodates shockvibration, thermal expansion and load misalignment � Factory Mutual System Approved for Classes I, II, III; Divisions 1 and 2; Groups A through G. Also, non-incendive ratings (No barriers!)