Sea-Dog Injection Molded Nylon Heavy Duty CleatSea Dog heavy duty, injection molded nylon tie-down clears are corrosion and UV resistant. Durable and easy to install, these cleats only require (2) FH fasteners to install (not included).Available in 4-1/4", 6" and 8" Overall Lengths 4-1/4" size is sold as a pair; 6" and 8" are sold individually; Part Number ColorABCDEFastener043340-1Black4-1/4"1"1-1/4"1-3/4"n/a#10 FH043360-1Black6-1/16"1-1/4"1-9/16"2-1/4"n/a1/4" FH043380-1Black8-1/16"1-3/4"2-1/4"n/a4-3/16"5/16" FH