Polymer horn and stainless steel axle and bolts provide corrosion resistance and increased durability. Premium maintenance-free Delron bearings. Non-marking flat polyurethane tread and polyethylene hub. For medium-duty applications. Brake type: pedal brake. Diameter 5" (127 mm), load capacity of 135 kg per wheel and temperature resistance from -29° to 49° C. Bumpers included. NSF listed. 5PCM and 5PCBM have antimicrobial product protection integrated into the wheel tread.