Vie-Long`s Shaving Brush is 100% natural horse hair harvested without harming the animal, so it is an excellent choice for shavers who prefer to avoid boar and or badger hair for ethical or religious reasons. A great brush with a 21mm knot of unbleached horse hair, it offers one of the best values in shaving. The knurled metal collar give the brush substantial weight, about 83g. Brush measurements: - Overall height: 117mm/4.6inch - Handle height: 56mm/2.2inch - Knot diameter: 21mm/0.82inch - Bristle loft: 61mm/2.4inch