Product details:
These are the new casters with a BLACK wheel Set of Two (2) casters including Hex Nuts and Lock Washers OEM Caster Assembly (Lincoln and Hein Werner) Walker, Lincoln, Hein Werner, Snap On, Ajax (Original Equipment) Caster Size - 3-3/8 Inch (85mm) Wheel - 2-3/8 x 1-1/4 Inch (60mm x 32mm) Stem - 3/4 Dia x 1 Inch (20-2.5 by 26mm) All measurements approximate.