how long are they I will check the trailer on the 20 tonight to see if they work if so I will take them will let you know in the morning when you give me the lengths

There are 15 pieces,
From the underside of the aluminum where the bunk rest to the shortest point of the angle cut.

One >> 1/2"
One >> 1"
Three >> 1 1/2"
One >> 4 1/2"
One>> 5"
one >> 5 1/2"
Four >> 6"
Two >> 6 1/2"
One >> 6 3/4"