Marine Grade Pelican Hook For Sailboat Safety 316# Stainless Steel Quick Release Pelican Hook Shackle Sailing Boat Boat Safety Rail Hook For Pushpit Lifelines Swage stud is internal thread: 8mm, right hand thread Stainless Steel Quick Release Pelican Hook - Reliable Lifting Package include:1 x pelican hook,1x swage stud Material: Stainless Steel T316 Marine Grade,High tensile strength and anti-fatigue strength Weatherproof Pelican hooks are commonly used for safety rails where a quick release is needed Jingyi pelican hooks are commonly used for safety rails where a quick release is needed, either at the deck side or pushpit area where passengers get on and off the boat. Marine Shackles 316 Stainless Steel Bow Shackles - 5-Piece D-Shape Anchor Set For Outdoor Sports M10 D-shape Shackles Swage stud Fits 5mm Stainless Steel Wire Rope Cable