Hi Tony- if you go with the Ballenger hinge, you will have to order what is called a "mast step" from Dwyer. This fits in the base of the mast and should be secured to the mast base with four 1/4-20 machine bolts. Drilling and tapping is required. The mast step itself has to be attached to the top half of the hinge with 1/4-20 flat head machine bolts. Once again, accurate alignment, drilling and tapping, and countersinking are involved. None of the pieces I used were pre-drilled, though I noticed on the Ballenger site that the hinges looked pre-drilled....maybe they decided to add that feature- I'd call them. The base that I used on my C23 was the Ballenger HMB- M30, though the lighter HMB e27 would be adequate for the lighter C19. The mast step from Dwyer was the DH2121, if I recall correctly. I think that the mast profile on the 23 was 2 3/4 X 4 1/2, which would determine the correct mast step. I am not sure if the 19 and 23 share the same profile, so measure your mast and order accordingly. The Dwyer hinged step is definitely a lighter weight piece, though it appears to be assembled with the mast step attached to the hinge. This is a good thing if you are uncomfortable with precise layout and drilling, tapping, and countersinking. It is also considerably less expensive, and from my way of thinking, more suitable for smaller daysailers.