A screw pin is tightened or loosened to hold onto the leg for a slip on a leg and then you tighten the screw, one of the pins or screws is broken. As seen in photos thy are Large, made of cast iron by At Wood.
Set of 4 Antique Cast Iron Payson 42 Double Wheel Industrial Casters Swivel Tilt
NOS Vintage Industrial Set of 4 Steel Swivel Casters Cart Dolly Stand Wheels
Vintage Roll Over Swivel Casters Cast Iron Creepers Industrial Set of 4
Antique Cast Iron Furniture Casters Wheels Set of 3 | Vintage Industrial Spoked
Antique Casters Payson Cast Iron Swivel Piano Industrial 1 3/4" Wheel Set
ANTIQUE INDUSTRIAL FURNITURE CASTERS, Small Victorian Table Stem Cast Iron Wheel
