3/4" Stainless Steel Screw Pin Anchor Shackle - 4 Tons S Hook Tie Down Straps - Standard Hook The stainless steel turnbuckle is

The stainless steel turnbuckle is made of type 316 stainless steel which contains the element molybdenum for increased durability

3/8" - 1/2" Peerless Ratchet Binder Plus

flat hooks might not be the best choice

Crosby Jaw and Jaw Turnbuckle | 1-1/4" x 18"

For effective load distribution

3/4" Stainless Steel Screw Pin Anchor Shackle - 4 Tons S Hook Tie Down Straps - Standard Hook The stainless steel turnbuckle isType 316 Stainless steel shackles are great for marine or high humidity applications. Carbon steel rusts when exposed to the combination of air and water. It creates an iron oxide film that is active and will accelerate corrosion by duplicating itself. Stainless steel has a sufficient amount of chromium present so that a chromium oxide film forms, which is passive. This film prevents further corrosion and prevents it from spreading to the internal