Flyshop Plastic Chair Swivel Caster 8mm Threaded Stem 1.5-inch Dia Wheel Black Product Name : Threaded Stem Caster Wheel; Type : 360 Degree Rotation Dual Wheel Wheel Size(Each) : 40 x 10mm / 1.55" x 0.4"(D*T);Total Size (Approx.) : 47.7 x 37.8 x 63mm / 1.88" x 1. 49" x 2. 5"(Lwh) Threaded Dia. : M8 / 8mm;Thread Part Length : 13mm / 0.5" Material : Plastic, Metal;Color : Black;Package:1 x Threaded Stem Caster Wheel