Durable Movable Rack Flight Case 4" Royal PU Wheel / Casters

Rack Flight Case Of 4" Royal Or Customized Pu Caster Wheel About Movable And Break And Lock 1.Hot Selling Duty Wheel Product name 4" Royal PU Wheel Type Caster And Wheel Material SPCC,Rubber tread Applications OA equipment, All types instruments, Cart,Our flight case Features 1.Even under heavy load condition for long fixed, no deformation. 2.Excellent structure design without noise while sliding. Detail Specification Wheel size: 3",4",5" ,ect. Load capacity: 60kgs, 80kg