Metal Connector Nails,1 1/2 In. L, Overall Length 1 1/2 in, Shank Diameter 1.5 in, Gauge Not Applicable, Product Type Connector Nails, Material Steel, Finish Galvanized, Penny Size 4D, Head Type Flat, Head Diameter 1/8 in, Shank Type Smooth, Point Type Diamond, Collation Type Glue, Collation Configuration Strip, Collation Angle 0 Degrees , Collation Quantity 50, For Use With 500855, Mfr. No. 515850, Pack Size Bulk Pack, Manufacturer Location Made in USA*, Includes Heat Treated Nails