Bullard® Link Chain Nest Hook, series: BL-P Golden Gate®, 1.7 ton, Ball Bearing Swivel Attachment, #4, Steel Alloy, Zinc Plated, for Use With: 1/4 to 9/32 in Chains. Bullard® 1051508 BL-P Golden Gate® Link Chain Nest Hook with Pin-Lok Manual Closing Gate, #4 Trade, 1.7 ton Load