Green Pin® Super Shackles Green Pin® Super Shackles Bow shackles with safety bolt Material Bow and pin alloy steel, Grade 8 quenched and tempered Safety MBL equals 5 x WLL Standard Meets performance requirements of US Fed. Spec. RR-C-271 Type IVA Class 3, Grade B Finish Hot dipped galvanized (175 ton shackle is painted) Certification … Continue reading Green Pin® Super Shackles