8" x 12" Heavy Duty Swivel Scaffold Caster.
1-3/8"x3-3/4" Stem (pin hold 2-1/4"OC). Locking
Serrated Foot Brake. Grease Fittings on Wheel
and Swilver Plate. Non-marking hard rubber wheel.
Maximum load capacity: 800 pounds. Use with
#450172/450174 Scaffold frames or
450167 scaffold stem.