Alloy Screw Pin Anchor Shackle available in 1/2", 5/8", 3/4", 7/8", 1", 1 1/8", 1 1/4", and 1 1/2" Sizes. You are able to maintain a solid grip on the chain with the help of the reliably durable Alloy Screw Pin Anchor Shackle from B/A Products Co. This solid shackle is designed with a wider body that allows it to hold a stronger chain. It can easily handle heavier Working Load Limits for dealing with the tougher heavy-duty jobs. Offering quick and easy connections and disconnections, the screw pin saves you a lot of time in the long run. The shackle can handle a number of different applications, from rigging to towing to lifting to hoisting. The Alloy Screw Pin Anchor Shackle from B/A Products Co. comes available in the following sizes and Working Load Limits: