Black 3 Inch Antistatic Medical Casters Special Conductive Casters for Hospital Equipment and Instruments. Antistatic Conductive Design: Special conductive casters made of TPR and Nylon for hospital equipment safety. High Load Capacity: Supports up to 80kg per caster with durable double ball bearings. OEM/ODM Customization: Supports custom thread stems, sizes, and branding for specific needs. Professional Manufacturer: Factory established in 2014 with ISO9001:2015 certification. Strict Quality Control: 100% inspection from raw material to finished product ensures reliability. Fast Delivery: General delivery within 20 days, off-season within 15 workdays. Sample Availability: Samples available anytime; cost is refundable upon next order. Flexible MOQ: Accepts small orders; special arrangement for quantities under 5pcs.