1-3/4" Galvanized Bolt Type Anchor Shackle - 25 TonGalvanized Bolt Type Anchor Shackles Secure, Long Term Lifting Connections Galvanized bolt type anchor shackles are designed for reliable performance in long term or permanent rigging setups. The bolt, nut, and cotter pin system prevents the pin from rotating under load especially in situations where a shifting or sliding load might otherwise back out a traditional screw pin. These anchor style shackles feature a wide bow design that accommodates