One replacement Instalock™. Note: please choose the Instalock™ corresponding to the kit that you’ve purchased, as they are not interchangeable.
Pictured first with the curved back is the Instalock™ for our AeroThumb. The second Instalock™ is for our classic design.
Please note: Instalocks™ are included in all thumb sucking treatment kits (not required for FingerGuards™).