Pole Vault Bungee Spikes a zero mark molded into

a zero mark molded into the side for placement accuracy and is the same size as a regulation vault box

a three-inch cast aluminum knob

Though there are definitely some differences it is safer to use pole vault spikes for sprinting than to use sprint spikes for vaulting

and step placement are more effectively learned using this training tool

Pole Vault Bungee Spikes a zero mark molded intoThe most durable training crossbar for pole vaulters. Designed and tested for pole vault by a pole vault coach, this bungee bar is built to be easier to place at high heights and last much longer without sagging or breaking. The bright fluorescent red cord makes it easy to see and the 1" diameter foam sections mimics the shape of the competition bar.