The Brute Square Dolly is a rugged twist on/off dolly for mobile applications. It has a capacity of 300-lb and fits containers (sold separately). The dolly comes in black color and measures 17-1/4 sq. x 6-1/4 H.Specifications. Capacity: 300-lb. Color: Black. Size: 17-1/4 sq. x 6-1/4 HFeatures. Rugged twist on/off dolly for mobile applications. Fits container (sold separately)