Are you looking for a professional, yet affordable caster wheel? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional caster wheel must meet you needs. It is one of the best choices for you.Features- Color: Black.- Size: 10.20X9.10X9.10cm/4.01X3.58X3.58 inch.- Material: Plastic.- Easy to install in your suitcase. Strong load-bearing, mute design, rotating flexible.- Easy to transform to any directions that you want, and spend little strength to move on.- Long-term use, low wear, labor-saving and quiet, flexible rotation, large load capacity and stability.- The bearings of the luggage swivel wheels are made of high-quality plastic, allowing it to rotate at any angle, so it is very flexible for you to adjust directions easily while rolling.- Wear resistant, suitable for the use of ordinary luggage box, and need you have a strong ability in DIY.Packing list:4 x universal wheels"