Electro-polished, drop forged, AISI316 stainless steel long dee 'D' shackle with screw pin for extra strength. Long stainless steel D Shackles are similar to standard Dee shackles. Long dee 'D' stainless shackles are ideal where you need a long, deep throated shackle for fitting to longer or irregular shaped objects with a greater distance between fixing points.