12" Rigid Caster - Semi-Pneumatic Black - Model 9 9SN12x3-R Price:$52.77    Each 550 Lb. Maximum Capacity Each 12" Black Semi-Pneumatic Wheel 8" shown in photo. Home | Application Tips | Standard Products - Casters and Caster Wheels | Warranty | Summary | Contact Us Casters - Helpful Tips | Special Products - Casters and Caster Wheels | Web Resources | Site Map Photos & graphics are for informational purposes only. Actual product may vary slightly from those shown. Wheel colors may vary unless specified. If wheel color is important, please contact us for current inventory.