Heavy-duty reinforced steel thread, can't be broken. Washable, unflagged polypro bristles prevent ends from matting together from grease and grime. Extra thick sturdy metal handle will not crack, warp or splinter. Great for back-of-the-house use in food service. Low-profile shroud makes sweeping under low kitchen cabinets easier. 13" wide sweeping surface. Application: Floors; Bristle Material: Polypropylene; Bristle Length: 13'; Handle Material(s): Metal.