uxcell Threaded Stem Connector Twin Wheel Brake Chair Trolley Caster Product Name : Caster Wheel;Material : Plastic, Metal Thread Diameter : 0.76 x 1.3cm / 0.3" x 0.5"(D*L);Wheel Diameter : 4cm / 1.5" Total Size (Approx.) : 4.6 x 6.5cm / 1.8" x 2.5"(D*H);Color : Black Weight : 43g Package Content : 1 x Caster Wheel