Medical / Industrial Caster, Threaded Stem (metric), With Brake - Item #1100-100-TS-WB 4 in.
Wheel Diameter: 4 in. (100mm)
Overall Height: 4-5/8 in. (118mm)
Mounting Method: M12 x 25mm Threaded Stem (Metric)
Material: Housing; Polymide+glass fiber Wheel; Core Polypropolyne with Thermoplastic Elastomers Tread, Wheel Core; Polypropolene
Brake: Yes (double lock - wheel and swivel)
Load Rating: 176 lbs (80 kg) per caster