uxcell 10mm x 25mm Threaded Stem 1.5 Inch Wheel Dia Swivel Caster Orange 4pcs Main Material: Metal,Polyurethane; Package Content: 4 x Caster Wheel Product Name: Caster Wheel; Weight: 647g Main Color: Orange,Black; Overall Size: 90x40x85mm/3.5"x1.6"x3.8"(L*W*H),55x40x85mm/2.2"x1.6"x3.8"(L*W*H) Wheel Size: 40 x 23mm/1.5" x 0.9"(D*T) Thread Size: 10 x 25mm/0.4" x 1"(D*L)