Pack of (10) Black Steel Trailer Wheel Lug Nuts... Acorn Style Closed End Lug Nuts..., Thread Pattern: 1/2" x 20... Length 1-3/8"..., 3/4" Hex Lug Nut..., Closed End Acorn Style Lug Nuts..., Sold as a Set of (10)..., Cancer and Reproductive Harm - www.p65warnings.ca.gov