M. Toulouse Rounded 1/2" POW Spur
M. Toulouse Prince of Wales 1/2-inch Neck Spur measures a 3/4-inch from boot to tip.
USEF rules state to measure the spur from the base of the spur to the end of the tip. Maximum spur length is 2-inches or 5.08 cm. FEI rules state that the spur can not be longer than 4 cm from boot to end of spur except for FEI Pony Riders and Children are limited to 3.5 cm with no rowels.