These spurs have a 25 mm neck. The rowel is significantly thicker and more rounded than on the original Comfort Roller spurs. The ball rolls on contact with the horse and thus avoids rubbing and chafing on the fur and skin of sensitive horses. These are rubber covered spur for a better fit and an attractive look. They have reliable protection of the boot-leather and unique fit and design, can be adjusted to the foot by bending intelligent spur strap loop for a perfect fit on the boot. These are made of break-proof, high-quality stainless steel.