STIRRUP & CLAMP KIT/H10-20/H10-21/H10-26/H10-30/H10-36/H10-56N/H10-56/H10-00/ H3531 22378G-08Stirrup & Clamp Kit | Aviation HeadsetsThis Stirrup assembly & clamp kit includes a headset stirrup and clamping hardware to secure to the headband spring of David Clark's H10-20, H10-21, H10-26, H10-30, ..