I found some on my caravan, when I removed the awning rail, the reason some were a little longer was that when replacing the rail after resealing there was no "bite", a longer screw goes into new wood and it is quicker than drilling a new hole.
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets