Large Size
The total length of the brush is 217 mm (approximately 8 and a half inches)
The length of the fibers is 27 mm (about an inch) with a brush diameter of 8.4 mm.
Medium Size
The total length of the brush is 215 mm (just under 8 and a half inches)
The length of the fibers is 24 mm (just under an inch) with a brush diameter of 7.2 mm.
Small Size
The total length of the brush is 195 mm (approximately 7 and a half inches)
The length of the fibers is 18 mm (about 0.7 of an inch) with a brush diameter of 6.3 mm.
