Features 1、Durable Material: Made of high quality materials, durable double row wheels, 360° rotatable, light movement, solid structure, suitable for different environments and low maintenance cost. 2、Anti Slip: The rugged double row wheel provides easy 360° movement. It includes 8 rollers made of nylon and PE. The rollers are installed around them to avoid slipping. 3、Directional Wheel: Omnidirectional movement and rotation, with rotation and lateral mobility, it is easy to control and track the direction, making the steering faster than ordinary wheels. 4、Clear and Stable: Double omnidirectional wheel is more solid, fixed direction is clear, installation selection is simple and stable, excellent load stability. 5、Roll Freely: The 48mm dual aluminum alloy omnidirectional wheel is unique in that it is able to roll freely in both directions. It is the smallest universal wheel of our entire aluminum omnidirectional wheel. Item Type: 48mm Double Aluminum Alloy Omni Directional Wheel Color: Black Silver Body Material: Aluminium Alloy Roller Material: Nylon, TPR Wheel Diameter: Approx. 48mm / 1.9in Wheel Width: Approx. 24.5mm / 1.0in Axial Width: Approx. 8mm / 0.3in Roller Diameter: Approx. 13mm / 0.5in Weight: Approx. 48g / 1.7oz Load Capacity: 3kg / 6.6lb Project Type: RC Accessories Suitable: for Robot Competition 14148 Package List 1 x 48mm Double Aluminum Alloy Omni Directional Wheel