SIDI's dial and micro-filament securing buckle - aka the Tecno, offers tiny incremental adjustment of instep.
Standard replacement for all shoes old or new that utilize the Tecno style buckle such as the Ergo, Ergo 2, Dragon, Dragon 2, Action and Energy
Package includes 1 pair of buckles and mounting hardware for one pair of shoes
Replaces both 1st and 2nd generation Tecno buckles
Incredibly durable and easily replaceable