KOHLHOFF LOOP® Shackles are made from Gottifredi Maffioli's Compact Braid, a polyurethane coated DSK78 single braid. This high-tech material is very strong and water-proof with outstanding abrasion resistance and low stretch. KOHLHOFF LOOP® Shackles are light and compact. As a 'soft' flexible connector, LOOP® Shackles are kind to deck, hull or rig, they do not sink and can be used anywhere and everywhere. The single version is preferable for a permanent connection while the double version is a better choice in situations where the loop is being constantly opened or closed.