K2 Flex Foot Kit, Dark w/EverSeal (4000818)

Roof attachment foot for K2 CrossRail systems with pre‑installed K2 EverSeal rubber butyl for long‑term sealing (TAS 100(A) and Wind Driven Rain tested) and UL 2703 compliance. Mounts to a rafter with a single 5/16 in lag or to the deck with four #14 screws, and accepts a 3/8 in concrete anchor; rail shelf aligns the CrossRail T‑Bolt channel and enables 360‑degree rotation with a lag. Compatible with CrossRail 44‑X, 48‑X, 48‑XL, and 80; designed for nearly all roof types except PVC. Material: aluminum with stainless steel hardware; dark finish. Ships in boxes of 10 (13.52 lb per box).