Campbell Anchor Shackles Home › Campbell Chain › Campbell Anchor Shackles We currently do not have any products for this manufacturer. Please check back soon for new products... If you would like to place an order over the phone please call 800-242-4424 for immediate assistance. Thank you. Campbell anchor shackles are drop forged carbon steel with either a standard, self-colored finish or galvanized steel. Working load limit permanently shown on every shackle. 419-S, 419-G Screw Pin meets the design requirements of Federal Specification RR-C271, Type IVA, Grade A Class 2.