Description Made of rubber and metal material, durable and wear resistant. Strong load-bearing, mute design, rotating flexible.Simple structure and excellent craftsmanship make it easy to use and have excellent durability, will provide you with good service. Features -Color:Black -Material:Rubber -Size:7.00X7.00X2.50cm/ 2.75X2.75X0.98in -Bearing: 50kg/single wheel-Wheel inner diameter: 6mm-Long-term use, low wear, labor-saving and quiet, flexible rotation, large load capacity and stability.- Suitcase replacement wheels are integrally molded, more durable and silence, which can serve you well.- Outstanding workmanship, reasonable design, stable and practical, will bring you a good using experience.- With reasonable design and high adaptability, it can be well applied to your suitcase, and it will be a good choice for you.- The reasonable design makes it easier for you to switch directions, and you will be more comfortable carrying suitcase. Packing list: 2 x wheels1 x set of mounting accessories