They are 29" and look almost the same as your series 385, except the shoe is not exactly the same. It does have wings that stick out, and the with of the wings is 15/16", but the length of the outside is 17/16 or 1 1/16". The depth is only 15/16 measuring from the side and going from the wing on the side across the to the outside. It has UB 28F imprinted on all the balances.