High grade OEM standard wheel nuts for Marine Indespension Boat / Jetski Trailers etc... This listing is for a pack of 4 wheel nuts. 3/8" UNF Spherical wheel nuts. Suitable for unbraked Indespension models JS02, JS05, JS05R, JS06, Merit Sport Inflatable, Merit 1 and Merit 1 Inflatable, Coaster, Coaster Swing, Coaster Micro, Coaster Swing Micro, Coaster Mini and Coaster Swing Mini. 11/16" Socket Size. Before fitting it is essential that you check the new part is identical to the original part. If in doubt consult a professional.