1、Flexible Moving: Universal roller ball wheel enables seamless and flexible 360° rotation, ensuring smooth and quiet movement. The caster glides steadily without causing any scratches or leaving marks.2、Wide Range Of Applications: Mini roller ball wheels are applicable for a range of small furniture items such as storage boxes, trash cans, bedside tables, flower pots, coffee tables, mahjong tables and similar pieces.3、Self Adhesive: Equipped with adhesive sticker, roller ball universal wheel can effortlessly be affixed to any item requiring mobility, allowing for a convenient and nail free installation process.4、Multiple Applicable Place: A collection of 8 steel roller ball casters is provided to cater to your diverse usage requirements. Designed to be compact and lightweight, these casters are various settings such as homes and beauty salons.5、ABS And Steel Ball: Roller ball mini caster is crafted from a combination of ABS and steel ball materials, ensuring a safe and eco friendly product. It offers exceptional strength and stability, with anti impact properties that make it reliable and durable, capable of bearing high loads.