McGard Trailer Wheel Locks & Matching Lug Nuts 74043

For boat trailers with steel or alloy wheels, simply replace one of the lug nuts with a McGard wheel lock. Wheel locks and lug nuts are machined from high quality steel, throughly hardened and then triple nickel chrome plated. Guaranteed for life not to rust.  Comes in pack of 10 size 1/2 x 20