Hardware Essentials Jbolts are great for hanging items such as clothes lines. Tip drill a through hole before installation. Includes bolt. Zinc plated Jbolt with hex nut. Features. Zinc Plated JBolt with Nut. Pack of 10Specifications. Finish Zinc Plated. Size 0.3716 x 3.75 in.. Country of Origin Taiwan. Weight 0.04 lbs