Add to Cart SKU: 1SPAS 1 in. Screw Pin Shackle $22.00 1 in. Screw Pin Shackle This shackle, featuring a 1-inch screw pin, has a working load limit of 8-1/2 tons. When used within its design capacities, this shackle is suitable for various rigging applications. Compare Add to Cart Add to Wishlist