Set of 4 Level Casters with 2" Nylon Wheel & Retractable Leveling Leg 600# Retractable Leveling Pad 600 lb capacity each caster (2400lb total) 2" Wheel Diameter, .88" Tread Width, 3.23" Overall Height FASTENING SPECIFICATIONS: PLATE 2.87 SQ Hole Space 2.28 sq. MOUNTING HARDWARE INCLUDED