The Seaview Starlink Gen 2 / Standard Actuated Adapter is made of 316 stainless steel and designed to mount to a 1"-14 threaded post and stainless steel ratchet base.• 316L stainless steel Starlink adapter with a 1"-14 threaded ratchet base• Bottom of the adapter has 1"-14 threads and comes with locking nut• Top of the adapter is machined to fit the Starlink antenna post• Overall Height: 7-1/2" (adapter with the ratchet base)• Base: 2-1/2" x 3-9/16" with 4 holes for 1/4" bolts• Mount has 3/8" hole for cable pass through Top of adapter fits the Starlink antenna post Mount has 3/8" hole for cable pass through Overall height is 7-1/2" | Starlink Gen 2 Adapter and Ratchet Base