The Tuffer Than Tangles Pro Series Slicker brushes make speedy work of brushing out thick coats. The angled, extra long, pins penetrate thick coats faster and deeper. The pins are super strong yet supple enough to quickly and easily brush out heavy coats without causing damage. Brushes measure approximately 4″ x 7″ Pins sizes are Long or Regular. Pin hardness choices are: Firm, Soft, or Regular. Brushes are lightweight & ergonomic Curved head for easy access to hard-to-reach areas.