inch. Extra large panel nail, 1 inch black walnut panel nails. Hardened steel. Annular thread. Colors match most standard paneling. No countersinking or putty required. We are dedicated to providing everyone with the best household products for all their household needs, with a focus on reliability, customer satisfaction, and great quality. We offer quality, modern products that many customers will enjoy. Specifications: Height 125. Length 438. Width 269. Weight: 0.47 lbs