Hamilton Unilast® Solid Polyurethane (75D) Wheel 4" Diameter x 2" Wide x 2 1/2" Hub Length with 1/2" Stainless Steel Precision Ball Bearing
Bearing Size: 1/2
Center Design: Solid
Wheel Color: Royal Blue
Diameter: 4
Diameter M: 
Diameter P: 
DIM R: 
Face K: 
Face S: 
Hub Diameter: 0
Hub Length: 2.5
Length H: 
Wheel Face: 2