SIZE - Caster diameter: 4 inch. Stem size: 1/2"-13x1-1/2". 4 x brake stem casters,come with 4 x nuts,4 x spring washers and 4 x flat washers.Measure your old ones before buying to avoid wrong buying. Gauge Assin:B07B8TH62D.
LOAD CAPABILITY - Each caster supports 300 lbs/ 900 Per Set (counting of 3).
MATERIAL - Made of non-marking rubber and entire support mental brackets; 360-degree pivoting action for smooth rolling on hard, smooth surfaces.
MULTIPLE USES - It can be used on light and medium duty material handling, carts, equipment, and projects.
LOCK MECHANISM - Total locking brake efficiently locks both the swivel and caster simultaneously, providing an extremely reliable and sturdy base when engaged.