This swivel wheel has a second series Tech Lock brake, is made of stainless steel, and ideally suited for wet or corrosive conditions. The advanced design of the brake pad holds a variety of wheel types. With maintenance-free operation and a temperature range of -30 to 250℉, this wheel sustains a load of 250 pounds and is 1 1/4 inches in width and 3 1/2 inches in diameter. The wheel core material is steel.