The M. Toulouse Blunt Knob 2-inch Neck Dressage Spur measures 2-inches 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.
Wipe down daily after use to prevent residual build-up. Clean with metal polish as needed before events for a glowing shine.