This is the type 2 sight elevator, also called sight step, Winchester .22 rifles. This elevator is blued. The highest adjustment point is .150 inches. Width is 0.055-.060 inches. This is for the narrower opening - if you need a large opening (0.0725-0,0735) that is part st212-b. Made for model 56, 57, 58, 59,60, 61, 62, 63, 67 69 72, 74 and late model 1902 and 75 Winchester rifles.
